PDF Operation & Maintenance Manual Bobcat Combination Bucket - 1 MB
This Operation and Maintenance Manual covers the full range of Bobcat Combination Buckets, from 62" to 84" models.
It provides important safety information, operating instructions for its various functions (dozing, grappling, digging), and maintenance guidelines.
Proper care as outlined in this manual will ensure the longevity and reliability of this versatile attachment.
It's a must-read for anyone using this powerful tool.
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Operation & Maintenance Manual
Combination Bucket
(Combo Bkt 62) S/N AEMY00101 & Above
(Combo Bkt 68) S/N AEMZ00101 & Above
(Combo Bkt 74) S/N AEN000101 & Above
(Combo Bkt 80) S/N AEN100101 & Above
(Combo Bkt 84) S/N AEN200101 & Above
6987340enUS (07-18) (G) Printed in U.S.A. ©2018 Bobcat Company. All rights reserved.
--- Page 3 ---
FEATURES AND ACCESSORIES
Standard Items Special Applications Kit For Loaders
The combination bucket is equipped with the following
Standard items:
• Reinforced bucket bottom and clamshell
WARNING
• Heavy-duty cutting edges AVOID INJURY OR DEATH
Some attachment applications can cause flying
• Replaceable bolt on clamshell cutting edge debris or objects to enter front, top or rear cab
openings. Install the Special Applications Kit to
• Replaceable rear cutting edge provide added operator protection in these
applications.
• Protected cylinders W-2737-0508
Options And Accessories
Figure 4
• Tooth and side cutting edge
B-25286A
Available for special applications to restrict material from
entering cab openings. Kit includes 12,7 mm (1/2 in) thick
polycarbonate front door, top and rear windows [Figure
4].
See your Bobcat dealer for available special applications
kit for your model loader.
9 Combination Bucket Operation & Maintenance Manual
--- Page 4 ---
OPERATING INSTRUCTIONS
DAILY INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Attachment Mounting Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Bob-Tach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
DAILY INSPECTION (CONT’D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Bob-Tach (Cont’d) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
OPERATING PROCEDURE WITH LOADERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Approved Loader Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Machine / Attachment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Entering And Exiting The Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Operation With The Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Operation With The Loader (Foot Pedal) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Operation With The Loader (Includes ACS - Handles, SJC - “H” Pattern) . . . . . . . . . . . . . 48
Operation With The Loader (SJC - “ISO” Pattern) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
OPERATING PROCEDURE WITH VERSAHANDLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Approved VersaHANDLER Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Entering And Exiting The VersaHANDLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
V417 Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
V519 Hydraulic Control Lever (Joystick) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
FRONT Auxiliary Hydraulics Operation (REVERSE CONTINUOUS FLOW) . . . . . . . . . . . 66
Operation With The VersaHANDLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
OPERATING PROCEDURE WITH UTILITY WORK MACHINES . . . . . . . . . . . . . . . . . . . . . . 74
Approved Work Machine Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Machine / Attachment Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Entering And Exiting The Work Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Operation With The Work Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
LIFTING THE ATTACHMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
TRANSPORTING THE ATTACHMENT ON A TRAILER . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Fastening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
19 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH LOADERS (CONT’D)
Machine / Attachment Setup (Cont’d)
Hose Guide Installation (Earlier Version) Hose Guide Installation (Removable - If Equipped)
Figure 20 Figure 21
1
1 1
2
P-83756 P-83814
P-37570 P-88504
NOTE: Some attachments are factory equipped with
a removable hose guide (Item 1) installed on
1 the hydraulic hoses. The removable hose
guide is factory installed for use with Bobcat
1 loaders equipped with a mounting post (Item
2) [Figure 21]. Removable hose guide and
mounting post kits are available through your
Bobcat dealer.
Installation of removable hose guide is done during hose
routing. (See Hose Routing (Removable - If Equipped) on
Page 38.)
Figure 22
N-17065 P-54720
CORRECT
Install the correct hose guide (Item 1) [Figure 20] on the
loader.
NOTE: Hose guide styles vary between loader
models. Hose guides are not included with the
attachment. See your Bobcat dealer for
available hose guide kits.
1
P-88545
Shown is the removable hose guide (Item 1) [Figure 22]
correct orientation for a loader.
NOTE: The removable hose guide orientation may
need to be changed for correct installation
onto the machine.
29 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH LOADERS (CONT’D)
Installation (Cont'd)
Hose Routing (Removable - If Equipped) (Cont’d) Figure 48
Figure 46
1
2 3
2
1
P-83762 P-83763
P-83764
Insert lock pin (Item 1) through the removable hose guide
and mounting post and latch eyelet (Item 2) onto the lock
If your loader has a earlier version hose guide, route the pin (Item 3) [Figure 48].
attachment hydraulic hoses through the hose guide (Item
1). Connect the quick couplers to the loader (Item 2)
[Figure 46]. (See For First Time Installation on Page 40.)
Figure 47
1
2
P-83764 P-83885
Install the removable hose guide (Item 1) onto the
mounting post (Item 2) [Figure 47] located on the side of
the loader lift arm.
39 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH LOADERS (CONT’D)
Operation With The Loader (Includes ACS - Handles, SJC - “H” Pattern) (Cont’d)
Digging Into The Ground Leveling (Using Lift Arms In The Float Position)
Figure 67 Figure 68
2 3
2
1 4
3
1
B-15781A
B-15781A
NA1139 B-15781B
Lower the lift arms all the way (Item 1). Put the front
cutting edge of the combination bucket on the ground
(Item 2) [Figure 67]. 5
Drive forward slowly and continue to tilt the combination
bucket down (Item 2) [Figure 67] until it enters the
ground. P-88540
Raise the cutting edge a small amount (Item 3) to
increase traction and keep an even digging depth. Earlier model loaders: Move the left hand lever toward
Continue to drive forward until the bucket is full. When the the operator and all the way down until it is in the locked
ground is hard, raise and lower the cutting edge of the position to put the lift arms in float position (Item 2)
bucket (Items 2 and 3) [Figure 67] while driving forward [Figure 68].
slowly.
Later model loaders: Push the left hand lever float
Tilt the combination bucket backward (Item 3) [Figure switch (Item 1) [Figure 68] to put the lift arms in float
67] as far as it will go when the bucket is full. position. Push the switch a second time to stop the float
function (or any time the lift arms are raised, the float
switch will disengage).
Use the right hand lever to tilt the combination bucket
(forward or backward) (Items 3 and 4) [Figure 68] to the
best position for your leveling needs.
Open the clamshell all the way and lower the combination
bucket to the ground.
Tilt the Bob-Tach forward until the back cutting edge of
the clamshell (Item 5) [Figure 68] touches the ground.
Drive backward to level the ground.
49 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH VERSAHANDLERS Figure 90
(CONT’D)
Entering And Exiting The VersaHANDLER
Entering
WARNING
1
AVOID INJURY OR DEATH
Before leaving the machine:
• Lower the work equipment to the ground.
• Lower the blade to the ground. P-39865
• Engage the parking brake.
• Stop the engine and remove the key.
• Raise control lockout lever. Fasten seat belt and lower the restraint bar (Item 1)
W-2767-1108 [Figure 90] (if equipped), and engage the parking brake.
Put the Travel Direction Control lever and joystick in
Figure 89 NEUTRAL.
See the VersaHANDLER’s Operation & Maintenance
Manual and Operator’s Handbook for detailed information
1 on operating the VersaHANDLER.
1 Exiting
Put the Travel Direction Control Lever and the Joystick in
NEUTRAL.
Engage the parking brake.
Retract and lower the boom and attachment flat on the
ground.
Stop the engine.
P-83902
Raise the restraint bar (if equipped) and make sure the
lift, tilt, boom extend, auxiliary hydraulic and traction drive
functions are deactivated.
Use the hand grabs (Item 1) [Figure 89] to enter the Remove the key.
operator cab.
Exit the VersaHANDLER.
NOTE: Maintain three-point contact at all times while
entering or exiting the VersaHANDLER. Do
not jump. WARNING
Before you leave the operator’s position:
• Put the travel Direction Control Lever and the
Joystick in neutral.
• Engage the parking brake.
• Retract and lower the boom and attachment flat
on the ground.
• Stop the engine. Raise the restraint bar (if
equipped).
SEE THE MACHINE OPERATION & MAINTENANCE
MANUAL FOR MORE INFORMATION.
W-2637-0607
59 Combination Bucket Operation & Maintenance Manual
--- Page 10 ---
OPERATING PROCEDURE WITH VERSAHANDLERS (CONT’D)
Operation With The VersaHANDLER (Cont’d)
Operating With A Full Bucket
WARNING
WARNING AVOID INJURY OR DEATH
• Bystanders must keep at least 3 m (10 ft) away
AVOID INJURY OR DEATH from the machine and attachment when
• Keep the boom as low as possible. operating.
• Do not travel or turn with the boom up. • Never leave the operating position when the
• Turn on level ground. Slow down when turning. engine is running.
• Go up and down slopes, not across them. W-2320-0910
• Keep the heavy end of the machine uphill.
• Do not overload the machine. Using As A Bucket
Failure to obey warnings can cause the machine to
tip or rollover and cause injury or death. Figure 106
W-2650-1112
Figure 105
With Bucket Full
Going Up Slope Going Down Slope
P-88542
The combination bucket can be used as a standard
bucket for digging, loading and moving materials [Figure
P-75543B
106].
With Bucket Empty
The combination bucket can be dumped by either raising
With a full bucket, go up or down the slope with the heavy the boom and tilting the Bob-Tach forward, or by opening
end toward the top of the slope [Figure 105]. the clamshell.
NOTE: Go up or down slopes, not across them.
Raise the bucket only high enough to avoid obstructions
on rough ground.
69 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH UTILITY WORK MACHINES (CONT’D)
Machine / Attachment Setup (Cont’d)
Hose Guide Installation (Removable - If Equipped) Figure 131
(Cont’d)
Use the following procedure to reorientate the removable
hose guide for use on the work machine.
1
Figure 129
2
2
P-88546
1
Slide the removable hose guide (Item 1) [Figure 131]
back onto the hoses.
NOTE: If the couplers (Item 2) [Figure 131] were
P-88545
removed, reinstall at this time.
To change the removable hose guide (Item 1) [Figure
129] orientation, slide the removable hose guide off the
hoses.
NOTE: It may be necessary to remove the hose
couplers (Item 2) [Figure 129].
Figure 130
2
1
P-88582
Flip the removable hose guide (Item 1) over to reverse its
orientation on the hoses (Item 2) [Figure 130].
79 Combination Bucket Operation & Maintenance Manual
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OPERATING PROCEDURE WITH UTILITY WORK MACHINES (CONT’D)
Installation (Cont'd) Rotate the attachment hydraulic hoses as needed so the
hoses are not twisted or contacting any moving parts of
For First Time Installation the machine or attachment.
New attachments and new machines are factory With the twist(s) removed from the hydraulic hoses,
equipped with flush face couplers. If installing an tighten the attachment quick coupler connections while
attachment equipped with poppet style couplers, the the couplers are still connected to the machine. This will
attachment couplers will have to be changed to match help hold the hydraulic hoses in position while tightening.
the machine. See your Bobcat dealer for parts
information. Tighten the quick couplers connections to 63 N•m (46 ft-
lb) torque before starting the machine.
Enter the work machine. (See Entering And Exiting The
IMPORTANT Work Machine on Page 80.)
Start the engine.
• Thoroughly clean the quick couplers before
making connections. Dirt can quickly damage the Engage auxiliary hydraulics. (See the machine’s
system. Operation & Maintenance Manual and Operator’s
• Contain and dispose of any oil leakage in an Handbook for correct procedure.)
environmentally safe manner.
I-2278-0608
With the machine engine off and using the hose guides (if
equipped), route the attachment hydraulic hoses to the
WARNING
machine. Connect the attachment hydraulic quick
AVOID INJURY OR DEATH
couplers to the machine couplers. (See Hydraulic Quick
Diesel fuel or hydraulic fluid under pressure can
Couplers on Page 90.)
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be visible.
Check that the attachment hydraulic hoses are not
Use a piece of cardboard or wood to find leaks. Do
twisted or contacting any moving parts of the machine or
not use your bare hand. Wear safety goggles. If fluid
attachment.
enters skin or eyes, get immediate medical attention
from a physician familiar with this injury.
NOTE: It may be necessary to loosen the quick
W-2072-0807
couplers on the attachment hydraulic hoses
to remove any twists in the hoses.
Check the attachment hydraulic quick coupler
connections for leaks.
WARNING
AVOID INJURY OR DEATH
Wear safety glasses to prevent eye injury when any
of the following conditions exist:
• When fluids are under pressure.
• Flying debris or loose material is present.
• Engine is running.
• Tools are being used.
W-2019-0907
Loosen the quick coupler connections on the attachment
hydraulic hoses while connected to the machine. Do not
remove the quick couplers.
89 Combination Bucket Operation & Maintenance Manual
--- Page 13 ---
OPERATING PROCEDURE WITH UTILITY WORK MACHINES (CONT’D)
Removal (Cont’d)
Power Bob-Tach Figure 178
Lower the lift arm and put the attachment flat on the
ground. Lower or close the hydraulic equipment.
NOTE: In muddy conditions or to prevent the
attachment from freezing to the ground, put
the attachment on planks or blocks before
removing the attachment from the machine.
Stop the engine and release auxiliary hydraulic pressure
(if applicable). (See the work machine’s Operation &
P-41500
Maintenance Manual and Operator’s Handbook for
correct procedure.)
Push and hold the Bob-Tach “WEDGES UP” switch (Item
Exit the work machine. (See Entering And Exiting The 1) [Figure 177] until the levers are fully raised (wedges
Work Machine on Page 80.) fully raised) [Figure 178].
Figure 179
WARNING
AVOID INJURY OR DEATH
Before you leave the operator’s seat:
• Lower the lift arm, put attachment and implement
(if equipped) flat on the ground.
• Put Travel Direction Control Lever in PARK.
• Stop the engine.
• Raise operator arm rest.
W-2740-0608
P-41504A
Disconnect auxiliary hydraulic hoses. (See Hydraulic
Quick Couplers on Page 90.)
Tilt the Bob-Tach forward and drive the work machine
Enter the work machine. (See Entering And Exiting The backward, away from the attachment [Figure 179].
Work Machine on Page 80.)
NOTE: The Power Bob-Tach system has continuous
Start the engine. pressurized hydraulic oil to keep the wedges
in the engaged position and prevent
Figure 177 attachment disengagement. Because the
wedges can slowly lower, the operator may
need to reactivate the switch (Bob-Tach
“WEDGES UP”) when removing an
attachment to be sure both wedges are fully
raised.
1
P-88124
99 Combination Bucket Operation & Maintenance Manual
--- Page 14 ---
LUBRICATING THE ATTACHMENT
Lubrication Locations
Always use a good quality lithium base multi purpose Figure 187
grease when lubricating the attachment. Apply lubricant
until extra grease shows.
IMPORTANT
Fluid such as engine oil, hydraulic fluid, coolants,
grease, etc. must be disposed of in an
environmentally safe manner. Some regulations
require that certain spills and leaks on the ground
must be cleaned in a specific manner. See local, state
and federal regulations for the correct disposal. 1
I-2067-0499
P-94363
Figure 186
Figure 188
1
2
1
P-88485
P-94364
Apply grease to the cylinder rod end grease fittings (Item
1) and to the bucket pivot points (Item 2) [Figure 186]. Apply grease to the cylinder base end grease fittings
(Item 1) [Figure 187] and [Figure 188].
109 Combination Bucket Operation & Maintenance Manual
--- Page 15 ---
HYDRAULIC CYLINDER (CONT’D)
Assembly (Cont’d)
Figure 210 Figure 212
B-03702 B-03682
Install the oil seal on the rod seal tool [Figure 210]. Install the wiper seal with the lip toward the outside of the
head [Figure 212].
NOTE: The O-ring side of the oil seal goes toward the
inside of the cylinder. Figure 213
Figure 211
B-07200
B-03671
Install the back-up washer on the head [Figure 213].
Install the oil seal in the head [Figure 211].
119 Combination Bucket Operation & Maintenance Manual
--- Page 16 ---
(COMBO BKT) COMBINATION BUCKET SPECIFICATIONS (CONT’D)
Dimension (Cont’d)
• Where applicable, specifications conform to SAE and ISO standards and are subject to change without notice.
D
C
A
B