CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE M88A1-Continued
Item
No.
Interval
Location
Item To
Check/
Service
Procedure
Not Fully
Mission
Capable If:
42-
Stall Test-
(4) If the engine speed exceeds 1950 rpm, there is a
Cont.
Cont.
clutch slippage in the transmission. Check the
shifting control linkage adjustment (see paragraph 9-76).
43
S
Acceleration
Test for normal acceleration and pulling power in each
Under 1875
and Pulling
transmission range.
rpm or over
Power Test
2640
While testing in low range, accelerate with wide-open
throttle from low speed to top speed. Governed speed
under load should reach 1875 rpm, but not exceed 2640
rpm. If below 1875 rpm or over 2640, notify Direct
Support Maintenance.
44
Main
WARNING
Hydraulic
System
Do not attempt to loosen or tighten
hydraulic fittings or lines when system is
pressurized. Be sure that boom and spade
are in stored positions before doing any
maintenance on hydraulic system.
Dry-cleaning solvent used to clean parts is
potentially dangerous to personnel and
property. do not use near open flame or
excessive heat. Flashpoint of solvent is 138°F
(590C).
Particles blown by compressed air can be
dangerous. Be certain to direct airstream
away form user and other personnel in the
area. Compressed air used for cleaning will
not exceed 30 psi (207 kPa). Use only with
effective chip-guarding and personnel
protective equipment (goggles/shield and
gloves).
S
a. Service hydraulic reservoir oil filter (see paragraph12-5).
S
b. Inspect hydraulic lines and fittings for leaks, damage
Class III leak
and deterioration.
present
S
c. Operate system and check for unusual noises or other
defects.
2-30