PDF Operation & Maintenance Manual Bobcat HS8 Hydraulic Spreader - 712 KB
Ensure the safe and efficient use of your Bobcat HS8 Hydraulic Spreader with this official Operation & Maintenance Manual.
This guide provides crucial safety information, proper operating procedures, and detailed maintenance schedules.
Following these factory recommendations will help you maximize the performance and extend the life of your valuable attachment.
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Operation & Maintenance Manual
Hydraulic Spreader
(Spreader HS8) S/N AC1N00101 & Above
6986894enUS (07-18) (J) Printed in U.S.A. © 2018 Bobcat Company. All rights reserved.
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FEATURES AND ACCESSORIES
Standard Items
The hydraulic spreader is equipped with the following
Standard Items:
• Hopper Grate
• Adjustable Material Flow Gates
• Hydraulically Operated
• Self Loading Hopper With Cutting Edge
• Adjustable Spread Pattern
• Mechanical Agitator
Options And Accessories
• Sidewalk Kit
9 Hydraulic Spreader Operation & Maintenance Manual
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OPERATING INSTRUCTIONS
INITIAL SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Material Flow Gate Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Sidewalk Kit Installation (If Equipped) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
DAILY INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Attachment Mounting Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Bob-Tach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Spreader Fins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Hopper Grate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Wheel And Agitator Fingers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
OPERATING PROCEDURE WITH LOADERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Approved Loader Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Machine / Attachment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Entering And Exiting The Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Operation With The Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
OPERATING PROCEDURE WITH VERSAHANDLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Approved VersaHANDLER Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Entering And Exiting The VersaHANDLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Operation With The VersaHANDLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
OPERATING PROCEDURE WITH UTILITY WORK MACHINES . . . . . . . . . . . . . . . . . . . . . . 59
Approved Utility Work Machine Models And Requirements . . . . . . . . . . . . . . . . . . . . . . . .59
Machine / Attachment Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Entering And Exiting The Work Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Hydraulic Quick Couplers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Operation With The Work Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
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OPERATING PROCEDURE WITH LOADERS (CONT’D) Figure 26
Machine / Attachment Setup (Cont’d)
Hose Guide Installation (Removable - If Equipped) 1
(Cont’d)
Figure 24
2
P-88546
Slide the removable hose guide (Item 1) [Figure 26] back
1 2 onto the hoses.
NOTE: If the couplers (Item 2) [Figure 26] were
removed, reinstall at this time.
P-88545
To change the removable hose guide (Item 1)
[Figure 24] orientation, slide the removable hose guide
off the hoses.
NOTE: It may be necessary to remove the hose
couplers (Item 2) [Figure 24].
Figure 25
2
1
P-88583
Flip the removable hose guide (Item 1) over to reverse its
orientation on the hoses (Item 2) [Figure 25].
29 Hydraulic Spreader Operation & Maintenance Manual
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OPERATING PROCEDURE WITH LOADERS (CONT’D)
Hydraulic Quick Couplers WARNING
AVOID BURNS
Hydraulic fluid, tubes, fittings and quick couplers
IMPORTANT can get hot when running machine and attachments.
Be careful when connecting and disconnecting quick
• Thoroughly clean the quick couplers before couplers.
making connections. Dirt can quickly damage the W-2220-0396
system.
• Contain and dispose of any oil leakage in an To Connect:
environmentally safe manner.
I-2278-0608 Remove any dirt or debris from the surface of both the
male and female couplers, and from the outside diameter
New attachments and new loaders are factory equipped of the male coupler. Visually check the couplers for
with flush face couplers. If installing an attachment corroding, cracking, damage, or excessive wear. If any of
equipped with poppet style couplers, the attachment these conditions exist, the coupler(s) must be replaced
couplers will have to be changed to match the loader. [Figure 50].
See your Bobcat dealer for parts information.
Install the male coupler into the female coupler. Full
NOTE: Make sure the quick couplers are fully connection is made when the ball release sleeve slides
engaged. If the quick couplers do not fully forward on the female coupler [Figure 50].
engage, check to see that the couplers are the
same size and type. NOTE: Check that the attachment hydraulic hoses
are not twisted or contacting any moving
Figure 50 parts of the loader or attachment. (See For
First Time Installation on Page 38.) for proper
EARLIER MODELS adjustment.
To Disconnect:
Relieve hydraulic pressure. (See the loader’s Operation &
Maintenance Manual and Operator’s Handbook for
correct procedure.)
Push the couplers together, retract the sleeve on the
female coupler until the couplers disconnect.
P-31242
LATER MODELS
P-85281
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OPERATING PROCEDURE WITH VERSAHANDLERS Figure 71
(CONT’D)
Installation (Cont’d)
Hand Lever Bob-Tach (Cont’d)
WARNING
Before you leave the operator’s position: Frame Contact Points
• Put the travel Direction Control Lever and the
P-94955
Joystick in neutral.
• Engage the parking brake.
• Retract and lower the boom and attachment flat Both levers must contact the frame as shown when
on the ground. locked [Figure 71].
• Stop the engine. Raise the restraint bar (if
equipped). If both levers do not engage in the locked position, see
SEE THE MACHINE OPERATION & MAINTENANCE your Bobcat dealer for maintenance.
MANUAL FOR MORE INFORMATION.
W-2637-0607
Figure 70 WARNING
AVOID INJURY OR DEATH
The Bob-Tach wedges must extend through the holes
in the attachment mounting frame. Levers must be
fully down and locked. Failure to secure wedges can
allow attachment to come off.
W-2715-0208
Figure 72
P-41502A
Push down on the Bob-Tach levers until they are fully
engaged in the locked position [Figure 70] (wedges fully
extended through the attachment mounting frame holes).
Bob-Tach wedge must
contact the lower edge of the
attachment mounting frame
hole. P-94792
The wedges must extend through the holes in the
attachment mounting frame, securely fastening the
attachment to the Bob-Tach [Figure 72].
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OPERATING PROCEDURE WITH UTILITY WORK
MACHINES
Approved Utility Work Machine Models And IMPORTANT
Requirements
• Operate auxiliary hydraulics on STANDARD flow
Figure 83 only.
WORK MACHINE HYDRAULIC SPREADER • Never exceed 91 L/min (24 U.S. gpm) auxiliary
MODEL HS8 hydraulic flow. Hydraulic flow higher than
recommended will cause attachment damage.
5600 x I-2216-0910
5610 x
X = Approved
The chart [Figure 83] lists the work machine models
approved for use with the hydraulic spreader.
Warranty on this attachment is void if used on a non-
approved carrier. See your Bobcat dealer for a
current list of approved carriers.
WARNING
Never use attachments or buckets which are not
approved by the Bobcat Company. Attachments and
buckets for safe loads of specified densities are
approved for each model. Unapproved attachments
and buckets can cause injury or death.
W-2662-0108
Figure 84
P-79714
The work machine must be equipped with front auxiliary
hydraulics [Figure 84]. See your Bobcat dealer for
available kits.
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OPERATING PROCEDURE WITH UTILITY WORK Figure 114
MACHINES (CONT’D)
Installation (Cont’d)
Hose Routing (Removable - If Equipped) (Cont’d)
Figure 112
2
3
1
P-96445
Insert lock pin (Item 1) through the removable hose guide
(Item 2) and mounting post (Item 3) [Figure 112].
Figure 113
2
P-88456
1
Hose routing for work machines should be similar as
shown [Figure 114].
P-96444
Secure the latch eye (Item 1) onto the lock pin (Item 2)
[Figure 113].
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OPERATING PROCEDURE WITH COMPACT
TRACTORS (CONT’D)
Machine / Attachment Setup
Ballast
Figure 132
REAR BALLAST WEIGHT REQUIREMENTS
TRACTOR MODEL HYDRAULIC SPREADER
CT335 X
CT440 X
CT445 X
CT450 X
The chart [Figure 132] shows which compact tractor’s
will need rear ballast for use with the spreader.
Install the correct rear ballast on the compact tractor
before installing the spreader. See the compact tractor’s
Operation & Maintenance Manual for rear ballast
information.
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OPERATING PROCEDURE WITH COMPACT Figure 146
TRACTORS (CONT’D)
Operation With The Compact Tractor (Cont’d)
Operating The Hydraulic Spreader
Move the compact tractor and hydraulic spreader to the
work area, keeping the attachment as low as possible
while traveling.
WARNING P-94517
Raise the hydraulic spreader 508 mm (20 in) off the
TIPPING, ROLLOVER OR LOSS OF VISIBILITY CAN
ground.
CAUSE SERIOUS INJURY OR DEATH
• Use spreader only on approved machines.
Adjust the hydraulic spreader so that it is level to the
• Do not overload. Carry load low.
W-2713-0208
ground [Figure 146].
Stop the compact tractor and lower the attachment to the
ground. WARNING
Stop the engine, engage the parking brake and exit the
compact tractor (See Entering And Exiting The Compact CONTACT WITH SPREADER DISC OR FLYING
Tractor on Page 80.) OBJECTS CAN CAUSE SERIOUS INJURY OR DEATH
• Never operate in the vicinity of other persons.
• Objects can be thrown 10 m (30 ft).
W-2712-0910
WARNING
While moving forward, activate the control to start
spreader disc rotation.
Before you leave the operator’s position:
• Put the travel Direction Control Lever and the
Increase or decrease engine rpm to adjust spread
Joystick in neutral.
pattern to desired coverage. (See Performance on Page
• Engage the parking brake.
126.)
• Retract and lower the boom and attachment flat
on the ground. When spreading is complete, always completely empty
• Stop the engine. Raise the restraint bar (if the hopper of material. This will keep material from
equipped). freezing in the spreader.
SEE THE MACHINE OPERATION & MAINTENANCE
MANUAL FOR MORE INFORMATION.
W-2637-0607
Adjust the material flow gates to the desired flow. (See
Material Flow Gate Adjustment on Page 21.)
Enter the compact tractor. (See Entering And Exiting The
Compact Tractor on Page 80.)
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REGULAR MAINTENANCE ITEMS Figure 154
Cleaning The Hydraulic Spreader
WARNING
1
AVOID INJURY OR DEATH
2
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. P-79526
W-2019-0907
Clean and inspect the wheel (Item 1) and agitator fingers
Figure 153 (Item 2) [Figure 154]. (Hopper grate has been removed
for picture clarity.)
Figure 155
3
P-79507 P-79508
1
2
Flush with water. P-79508
Use compressed air to blow out excess material
[Figure 153]. Clean and inspect the spreader wheel (Item 1) and
spreader fins (Item 2) [Figure 155].
Dry the attachment with compressed air.
Make sure the hopper gates (Item 3) [Figure 155] are
thoroughly dry.
99 Hydraulic Spreader Operation & Maintenance Manual
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HYDRAULIC MOTOR (CONT’D) Figure 178
Assembly (Cont’d)
Figure 176
2
4
3
2
1
1 P-79743
Turn housing (Item 1) over so that the pilot of housing
faces down and secure housing in a vise. Without
P-79740
disturbing the shaft seal and drive link, carefully lower
shaft assembly (Item 2) [Figure 178] into housing. Apply
Place shaft (Item 1) on a clean flat surface with output pressure using an arbor press or a rubber mallet to make
end facing up. Install thrust bearing (Item 2) and thrust sure that the shaft end is flush or slightly lower than the
washer (Item 3) [Figure 176] on the shaft. housing bolt hole surface.
Install shaft seal (Item 4) [Figure 176] down onto shaft
making sure that lip on the shaft seal faces down.
Figure 177
2
1
P-79742
Turn shaft (Item 1) over so that output end of the shaft
faces down. Lower drive link (Item 2) [Figure 177] into
shaft making sure that the timing mark end of the drive
link faces up and that the timing mark on the end of the
drive link is aligned to the left of any short, open cutter
slot on the shaft.
109 Hydraulic Spreader Operation & Maintenance Manual
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MACHINE SIGN TRANSLATIONS
Warning (7154516)
119 Hydraulic Spreader Operation & Maintenance Manual