Gradall 534C-10 (2460-4129) Service Manual - Manual (Page 50)

These tests ensure that the Hydrostatic Material Drive System operates to the proper specifications. All
tests should be done in a safe, open area. Apply the park brake and leave the shifter in neutral unless otherwise
noted. The boom and attachment should rest on the ground unless the machine is being driven. Safe working
habits must be used for these checks. Refer to Operator’s Manual (Form No. 29311 ) for further information.
Read and understand this Manual, along with Operation and lubrication Manual, EMI Handler Safety
Manual, GRADALL Material Handler Safety Manual and all instructional decals and plates before starting,
operating or performing mechanical adjustments and maintenance procedures on this equipment. Keep
Operator and Safety Manuals in cab.
Safe operation depends on reliable equipment and proper operating procedures. Performing the adjustments
and repairs described in this Manual will help to keep your Material Handler in reliable condition. Use of the
recommended operating procedures can help you avoid accidents. Because some procedures may be new to
even the experienced technician, we recommend that this Manual be read, understood and followed by all
who service this unit.
!DANGER, !WARNING, !CAUTION notes in this Manual will help you avoid injury and damage to this equipment.
These notes are not intended to cover all eventualities. It is impossible to anticipate and evaluate all possible
applications and methods of operation for this equipment.
Any procedure not specifically recommended by GRADALL must be thoroughly evaluated from the standpoint of
safety before it is placed in practice. If you are not sure, contact your GRADALL Distributor before operating. Do
not modify this machine without written permission from GRADALL
The following symbols are used to call your attention to safety notices
Color-coded plastic caps seal the adjustments on components in the hydraulic system. If a GRADALL Distributor
makes an adjustment, the component should be sealed with a blue cap.
The tools needed to make these checks are:
1. Tachometer
2. GRADALL pressure testing kit P/N 7713-4197
3. Mechanic’s hand tools (Metric included)
4. Blue plastic caps: P/N 8093-4459 (small) and P/N 8093-4460 (large)
Form No. 29633 3/97
Important Safety Notice
Required Tools
Required Tools
(ii)
DANGER: This symbol indicates an extreme hazard which could result in high
probability of death.
WARNING: This symbol indicates a hazard which could result in death or
serious injury if proper precautions are not taken.
CAUTION: This symbol indicates a hazard which could result in injury or
damage to equipment or property if proper precautions are not taken.
D A N G E R
WA R N I N G
C A U T I O N