<p>Service Manual
99709-86140
For use with the S6S Engine Service Manual.
Chassis, Mast & Attachments
DP60
T20C-10001-up
DP70
T20C-60001-up
1
Pub.No. 99709-86140
FOREWORD
This service manual is a guide for servicing Cat
lift trucks. For your convenience the in-
structions are grouped by systems as a ready reference.
The long productive life of your lift truck(s) depends on regular and proper servicing. Ser-
vicing consistent with what you will learn by reading this service manual.
Read the respective sections of this manual carefully and familiarize yourself with all of
the components before attempting to start a test, repair or rebuild job.
The descriptions, illustrations and specifications contained in this manual are for trucks
with serial numbers in effect at the time of printing. Cat Lift Trucks reserves the right to
change specifications or design without notice and without incurring obligation.
The trucks listed in this manual are powered by S6S diesel engines. For the engine servic-
ing, please refer to the applicable engine service manual.
This document shall not be transferred, rented, or reproduced to a third party without per-
mission.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in death or serious injury or
damage to the machine.
Indicates a condition that can cause damage to, or shorten service life of, the lift truck.
WARNING
CAUTION
NOTE
2
WARNING
The proper and safe lubrication and maintenance
for these lift trucks, recommended by Cat Lift
Trucks, are outlined in the OPERATION & MAINTE-
NANCE MANUAL for these trucks.
Improper performance of lubrication or mainte-
nance procedures is dangerous and could result
in injury or death. Read and understand the OPER-
ATION & MAINTENANCE MANUAL before perform-
ing any lubrication or maintenance on these
trucks.
WARNING
Do not operate these trucks unless you have read
and understood the i