PDF Operator Manual Hyundai R35Z-7A Crawler Excavator - 1 MB
Master the operation of your Hyundai R35Z-7A Crawler Excavator with this official operator manual.
This guide covers daily checks, control layouts, and safe operating procedures to maximize efficiency and safety.
It's an essential resource for both new and seasoned operators to understand the machine's full capabilities.
Proper operation is key to the longevity and performance of your equipment.
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--- Page 1 ---
CONTENTS
Foreword - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0-1 6. Efficient working method - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-11
Before servicing this machine - - - - - - - - - - - - - - - - - - - - - - - - - - 0-2 7. Operation in the special work sites - - - - - - - - - - - - - 4-15
EC regulation approved - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0-3 8. Normal operation of excavator - - - - - - - - - - - - - - - - - - - 4-17
Table to enter S/No and distribution - - - - - - - - - - - - - - - - - - - - - - 0-4 9. Attachment lowering - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-18
Safety labels - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0-5 10. Storage - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-19
Machine data plate - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0-11 11. RCV lever operating pattern - - - - - - - - - - - - - - - - - - - - - - 4-21
Guide(Direction, S/No, Symbol) - - - - - - - - - - - - - - - - - - - - - - - 0-12
5. TRANSPORTATION
1. SAFETY HINTS 1. Preparation for transportation - - - - - - - - - - - - - - - - - - - - 5-1
1. Before operating the machine - - - - - - - - - - - - - - - - - - - - 1-1 2. Dimension and weight - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-2
2. During operating the machine - - - - - - - - - - - - - - - - - - - - 1-6 3. Loading the machine - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-4
3. During maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-13 4. Fixing the machine - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-6
4. Parking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-16 5. Loading and unloading by crane - - - - - - - - - - - - - - - - - - - 5-7
2. SPECIFICATIONS 6. MAINTENANCE
1. Major components - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 1. Instruction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1
2. Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-2 2. Tightening torque - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-5
3. Working range - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-3 3. Fuel, coolant and lubricants - - - - - - - - - - - - - - - - - - - - - - - 6-8
4. Weight - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-4 4. Maintenance check list - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-10
5. Lifting capacities - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-5 5. Maintenance chart - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-15
6. Bucket selection guide - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-7 6. Service instruction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-17
7. Undercarriage - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-8 7. Electrical system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-34
8. Specification for major components - - - - - - - - - - - 2-9 8. Air conditioner and heater - - - - - - - - - - - - - - - - - - - - - - - - - - 6-37
9. Recommended oils - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-12
7. TROUBLESHOOTING GUIDE
3. CONTROL DEVICES 1. Engine - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1
1. Cab devices - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1 2. Electrical system - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-2
2. Cluster - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-3 3 Others - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-3
3. Switches - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-7
4. Levers and pedals - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-10 8. HYDRAULIC BREAKER
5. Air conditioner and heater - - - - - - - - - - - - - - - - - - - - - - - - - - 3-13 1. Selecting hydraulic breaker - - - - - - - - - - - - - - - - - - - - - - - - 8-1
6. Others - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-15 2. Circuit configuration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-2
3. Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-3
4. OPERATION 4. Precaution when operating the breaker - - - - - - 8-4
1. Suggestion for new machine - - - - - - - - - - - - - - - - - - - - - 4-1 5. Quick clamp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-6
2. Check before starting the engine - - - - - - - - - - - - - - - 4-2
3. Starting and stop the engine - - - - - - - - - - - - - - - - - - - - - - 4-3
4. Operation of the working device - - - - - - - - - - - - - - - - - 4-7
5. Traveling of the machine - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-8
--- Page 3 ---
10) CONSOLE TILTING(Item 11)
This warning label is positioned on the LH
console box.
ö Before you get off the machine be sure
to tilt the LH console box.
R5570FW17
11) HYDRAULIC OIL LUBRICATION(Item 6)
This warning label is positioned on the right
side of air breather.
ö Do not mix with different brand oils.
Never open the filler cap while engine
running or at high hydraulic oil
temperature.
Loosen the cap slowly and release
internal pressure completely.
21070FW08
12) NO STEP-ENGINE HOOD(Item 10)
This warning label is positioned on the
engine hood.
Do not step on the engine hood.
21070FW16
13) TIE(Item 5)
This warning label is positioned on the
lower frame.
ö Never tow the machine using tie hole,
because this may break.
ö See page 4-10 for detail.
4507A0FW02
0-10
--- Page 4 ---
Watch out for obstacles.
Be particularly careful to check the machine
clearance during the swing.
13031SH17
When using the machine as breaker or working
in a place where stones may fall down, cab roof
guard and head guard should be provided for
proper protection.
13031SH18
Avoid operating on a cliff or soft ground as there
is danger of rolling over.
Make sure to get off easily as keeping the track
at a right angle and putting the travel motor into
the backward position when working on a cliff or
soft ground inevitably.
13031SH19
Operate for the lifting work considering the
capacity of machine, weight and width of the
load.
Be careful not to lift exceeding the machine
capacity as it can be the cause of machine
damage and safety accident.
13031SH20
1-8
--- Page 5 ---
2. SPECIFICATIONS
1) 2.5m( 8' 2") MONO BOOM, 1.3m( 4' 3") ARM, WITH BOOM SWING POST
I(I')
C
E
H
P
F
O
J
Q
N
K M
B(L)
A
R35Z72SP02
Description Unit Specification
Operating weight kg(lb) 3650(8050)
Bucket capacity(SAE heaped), standard m3(yd3) 0.11(0.14)
Overall length A 4790(15' 9")
Overall width, with 300mm shoe B 1740( 5' 9")
Overall height C 2500( 8' 2")
Overall height of cab E 2500( 8' 2")
Ground clearance of counterweight F 540( 1' 9")
Minimum ground clearance H 290( 0' 11")
Rear-end distance I 870( 2' 10")
Rear-end swing radius I' mm(ft-in) 870( 2' 10")
Distance between tumblers J 1700( 5' 7")
Undercarriage length K 2130( 7' 0")
Undercarriage width L 1740( 5' 9")
Track gauge M 1440( 4' 9")
Track shoe width, standard N 300( 1' 0")
Height of blade O 370( 1' 3")
Ground clearance of blade up P 375( 1' 3")
Depth of blade down Q 390( 1' 3")
Travel speed(Low/high) km/hr(mph) 2.5/4.5(1.6/2.8)
Swing speed rpm 9.5
Gradeability Degree(%) 30(58)
Ground pressure(300mm shoe) kgf/cm2(psi) 0.34(4.83)
2-2
--- Page 6 ---
9. RECOMMENDED OILS
Use only oils listed below or equivalent.
Do not mix different brand oil.
Ambient temperature Á
C( Á
F)
Capacity
Service point Kind of fluid
˶(U.S. gal) -20 -10 0 10 20 30 40
(-4) (14) (32) (50) (68) (86) (104)
SAE 30
SAE 10W
Engine
Engine oil 6.7(1.8)
oil pan SAE 10W-30
SAE 15W-40
Final drive Gear oil 0.5Ý2 SAE 85W-140
(0.1Ý2)
Tank: ISO VG 32
Hydraulic tank Hydraulic oil 37(9.8) ISO VG 46
System:
60(15.9) ISO VG 68
ASTM D975 NO.1
Fuel tank Diesel fuel 40(10.5)
ASTM D975 NO.2
Fitting NLGI NO.1
Grease As required
(Grease nipple)
NLGI NO.2
Mixture of
Radiator antifreeze 5(1.3) Ethylene glycol base permanent type
(Reservoir tank) and water
50 : 50
SAE : Society of Automotive Engineers
API : American Petroleum Institute
ISO : International Organization for Standardization
NLGI : National Lubricating Grease Institute
ASTM : American Society of Testing and Material
2-12
--- Page 7 ---
4. LEVERS AND PEDALS
Dozer control lever
Engine speed
RH control lever control lever
Travel lever
LH control lever
Boom swing pedal
Travel pedal
PTO pedal
R35Z73CD12
1) LH CONTROL LEVER
(1) This joystick is used to control the swing and the arm.
(2) Refer to operation of working device in chapter 4 for details.
R35Z73CD20
2) RH CONTROL LEVER
(1) This joystick is used to control the boom and the bucket.
(2) Refer to operation of working device in chapter 4 for details.
R35Z73CD21
3-10
--- Page 8 ---
ÿR
RADIO DATA SYSTEM(RDS) ON FM
More and more stations broadcasts RDS informations in order to
offer you many advantages including:
TA AF (1) Program service name(PS)
Allows the radio to display the name of the station instead of its
7807A3CD15 frequency.
(2) Automatic returning(AF)
The set remains tuned to the current station by continually searching
the best alternative frequency for best reception.
You can switch AF off.
- Activate/Deactivate AF
This set continuously search for other alternative frequencies for the
tuned radio station and automatically selects the best frequency for
reception. Long press TA for more than 2 second to activate/
AF
deactivate AF.
(3) Alarm messages(PTY ALARM)
This set automatically receives emergency messages made by the
broadcaster.
 During the messages the display shows 'ALARM' and the station-
name alternately.
(4) Traffic announcements(TA)
You can activate the TA modes to give priority so as to hear traffic
announcements related to these subjects(even if you play a
cassettes/CD or mute the set).
- Activate/Deactivate TA
 Short press BAND to select an FM band.
 Press TA AF to activate/deactivate TA.
- If you activate TA mode
 You will hear the traffic announcements when broadcast by
station(even if you play a cassette/CD or mute the set).
 If the tuned station does not enable the reception of traffic
announcements, the display shows 'NO TA'. The radio
automatically searches and appropriate station.
- Interrupting traffic announcement mode
If you do not wish to continue listening to a particular traffic
announcement
 Short press TA AF key to interrupt traffic announcement without
switching off the mode
 The set will return to the previous operating mode.
ö You can switch off RDS features if not required.
 Long press RDS key to switch off RDS.
 All RDS related features e.g., TA, etc...will be deactivated when
RDS is switch off.
3-20
--- Page 9 ---
(7) Random play selector (RDM)
① During USB play, press RDM button to play the files on the USB in a
random shuffled order (RDM will appear on the LCD display). The
4 RDM file select function will also select file in the random order instead of
the normal process.
75793CD85 The random play mode can be cancelled by this button again.
※ In case of MP3 file, when the random button is pressed and held
longer than 2 seconds, the RDM mark will blink on the LCD display
and play all files in directory randomly until the directory random
mode is cancelled by pressing the random button again or by acti-
vating the scan or repeat functions (RDM mark will disappear from
LCD display).
(8) Directory down
① Press D- button briefly while playing MP3. The previous directory is
located each time you press this button.
5 D-
75793CD86
(9) Directory up
① Press D+ button briefly while playing MP3 . The next directory is
located each time you press this button.
6 D+ ※ If the MP3 file does not have a directory, the unit play MP3 at
10-file intervals.
75793CD87 ※ If any MP3 file does not exist in USB, this button can not oper-
ate.
■AUX
AUX PLAYER
(1) Aux function
· Use of USB socket
① If you want to listen to music of a external audio device, connect a
external audio device into the USB port.
② Press mode button to change a current mode for AUX. If audio file
AUX USB
of audio device is playing, you can listen to music through speaker.
HB1003CD63
· Use of USB /AUX cable (option)
① If you want to listen to music of a external audio device, connect a
external audio device through USB / AUX cable.
② Press mode button to change a current mode for AUX. If audio file
of audio device is playing, you can listen to music through speaker.
75793CD75
3-30
--- Page 11 ---
2. CHECK BEFORE STARTING THE ENGINE
1) Look around the machine and under the machine
to check for loosen nut or bolts, collection of dirt, or
leakage of oil, fuel or coolant and check the Check before
condition of the work equipment and hydraulic starting
system. Check also loosen wiring, and collection
of dust at places which reach high temperature.
ö Refer to the daily check on the chapter 6,
maintenance.
2) Adjust seat to fit the contours of the operator's
body for the pleasant operation.
3) Adjust the rear view mirror. R35Z74OP02
4-2
--- Page 12 ---
5) Dig slowly with keeping the angle of boom and
arm, 90-110 degree when maximum digging force
is required.
90~110
R35Z74OP33
6) Operate leaving a small safety margin of cylinder Margin
stroke to prevent damage of cylinder when
working with the machine.
R35Z74OP34
7) Keep the bucket to the dumping position and the
arm horizontal when dumping the soil from the
bucket.
Operate bucket lever 2 or 3 times when hard to
dump.
ö Do not use the impact of bucket tooth when
dumping.
R35Z74OP35
8) Operate stop of swing considering the swing slip
distance is created by inertia after neutralizing the
swing lever.
Inertia
Swing stop
R35Z74OP36
4-12
--- Page 13 ---
12. HANDLING THE RUBBER TRACKS
1) USING THE RUBBER TRACKS PROPERLY
Rubber tracks have some advantages over steel tracks.
However, you cannot take full advantage of them if you use them in the same manner as steel
ones. Use care in operating with rubber tracks in accord with the conditions of the work site and the
type of work.
Comparison table of rubber and steel tracks
Rubber Steel
Low vibration Excellent Ordinary
Smooth travel Excellent Good
Silent travel Excellent Ordinary
Less damage to paved roads Excellent Ordinary
Simple handling Excellent Ordinary
Susceptibility to damage (strength) Ordinary Excellent
Drawber full Excellent Excellent
Rubber tracks have many advantages inherent in the unique properties of the material. On the
other hand, however, they are low in strength. It is essential that you fully understand the properties
of rubber tracks, and observe the precautions for operating and handling them to prolong their life
and get the most out of them. Be sure to read this section for using the rubber tracks before using
them.
2) WARRANTY FOR RUBBER TRACKS
The rubber tracks are not warranted for free repair or replacement if they are damaged because of
misuse by the customer, including the failure to comply with the prohibitions and the instructions for
safe operation; (for example, the failure to check the tension of the rubber tracks or service the
rubber tracks properly, or "using the rubber tracks on surfaces and terrains which could physically
damage them".)
3) PROHIBITIONS FOR USING THE RUBBER TRACKS
(1) Do not operate or turn on surfaces of terrains that have sharp stones, a hard, uneven rock base,
or that expose the tracks to steel rods, scrap iron, or edges of iron plates. Failure to observe these
prohibitions may damage the rubber tracks.
(2) Do not operate the machine on a stony surface like a riverbed. Doing this may damage the
rubber tracks by catching gravel in the tracks or may cause the tracks to come off. Forcibly
pushing obstacles will also shorten the life of the rubber tracks.
(3) Prevent the rubber tracks from getting exposed to oil, fuel or chemical solvents. If they are
exposed, immediately wipe them. Also, do not travel on roads which have oily surfaces.
(4) When storing the rubber tracks for a long time period (more than three months), avoid placing
them in a place subject to direct exposure to sunlight or rain.
4-22
--- Page 14 ---
4. FIXING THE MACHINE
1) Lower down the working device on the loading
plate of trailer.
Starting switch
2) Keep the safety lever on the LOCK position.
3) Turn OFF all the switches and remove the key.
Safety lever
R35Z75TA12
5) Secure all locks. Cabin
Tool box Engine hood
Service door
R35Z75TA10
6) Place timber underneath of the track and fix firmly
with wire rope to prevent the machine from
moving forward, backward, right or left.
Chain
R35Z75TA11
5-6
--- Page 15 ---
2) RECOMMENDED OILS
Use only oils listed below or equivalent.
Do not mix different brand oil.
Ambient temperature Á
C( Á
F)
Capacity
Service point Kind of fluid
˶(U.S. gal) -20 -10 0 10 20 30 40
(-4) (14) (32) (50) (68) (86) (104)
SAE 30
SAE 10W
Engine
Engine oil 6.7(1.8)
oil pan SAE 10W-30
SAE 15W-40
Final drive Gear oil 0.5Ý2 SAE 85W-140
(0.1Ý2)
Tank: ISO VG 32
Hydraulic tank Hydraulic oil 37(9.8) ISO VG 46
System:
60(15.9) ISO VG 68
ASTM D975 NO.1
Fuel tank Diesel fuel 40(10.5)
ASTM D975 NO.2
Fitting NLGI NO.1
Grease As required
(Grease nipple)
NLGI NO.2
Mixture of
Radiator antifreeze 5(1.3) Ethylene glycol base permanent type
(Reservoir tank) and water
50 : 50
6-9
--- Page 16 ---
3) CHECK COOLANT
(1) Check if the level of coolant in reservoir tank is
between FULL and LOW.
(2) Add the mixture of antifreeze and water after HY
UN
DA
I
removing the cap of the reservoir tank if coolant FU
LL
is not sufficient. LO
W
(3) Be sure to add the coolant by opening the cap of
radiator when coolant level is below LOW.
R35Z76MA37
(4) Replace gasket of radiator cap when it is
damaged.
Hot coolant can spray out if radiator cap is
removed while engine is hot. Remove the
cap after the engine has cooled down.
OK NOT OK
R35Z76MA34
4) FLUSHING AND REFILLING OF RADIATOR
(1) Change coolant
Avoid prolonged and repeated skin contact
with used antifreeze. Such prolonged
OK
repeated contact can cause skin disorders or
other bodily injury.
Avoid excessive contact-wash thoroughly
after contact.
Keep out of reach of children. R35Z76MA33
ö Protect the environment : Handling and
disposal of used antifreeze can be subject to
federal, state, and local law regulation.
Use authorized waste disposal facilities,
including civic amenity sites and garages
providing authorized facilities for the receipt
of used antifreeze.
If in doubt, contact your local authorities for
guidance as to proper handling of used
antifreeze.
6-19
--- Page 17 ---
22) CHANGE OF THE TRAVEL REDUCTION
GEAR OIL
(1) Raise the temperature of the oil by traveling
machine first.
(2) Stop when the position of the drain plug is down.
FIL
L LE
(3) Loosen the level plug and then the drain plug. VE
L
(4) Drain the oil to adequate container. DR
AIN
(5) Tighten the drain plug and fill specified amount
of oil at filling port.
R35Z76MA22
(6) Tighten the level plug and travel slowly to check
if there is any leakage of oil.
23) LUBRICATE RCV LEVER
A B
Remove the bellows and with a grease gun
grease the joint part(A) and sliding parts(B).
36076MA25
6-29
--- Page 18 ---
TROUBLESHOOTING GUIDE
1. ENGINE
This guide is not intended to cover every conditions, however many of the more common possibilities
are listed.
Trouble Service Remark
The engine oil pressure lamp  Add the oil to the specified level.
lights ON when engine speed is
 Replace the oil filter cartridge.
raised after completion of warm
up. Â Check oil leakage from the pipe or the joint.
 Replace the monitor.