TM 5-3805-291-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INCLUDING LUBRICATION INSTRUCTIONS - CONTINUED
0012 00
Table 1. Preventive Maintenance Checks and Services (PMCS) for the 966H Wheel Loader - Continued.
LOCATION
ITEM TO
ITEM
MAN-
NOT FULLY MISSION
CHECK/
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
a. Turn engine start switch to ON
77
Monthly
Brake Accu-
position. Low brake pressure alert
mulator Check
indicator should come on if brake
system pressure is not at normal
operating pressure (WP 0004 00).
b. Start engine (WP 0005 00). Run
engine at half speed for two min-
utes to allow accumulator pressure
to increase. Low brake pressure
alert indicator should go off.
c. Shut down engine (WP 0005 00).
d. Apply service brakes and release
service brakes until low brake
pressure alert indicator comes on
(due to decrease in accumulator
pressure). A minimum of five ser-
vice brake applications are
required.
e. If less than five applications were Accumulator is discharged.
required,
accumulator
needs
recharging. Notify Unit Mainte-
nance.
WAR N I N G
78
Monthly
Service Brake
Holding Abil-
If machine begins to move during test, reduce engine speed
ity Test
immediately and engage parking brake. Personal injury
can result if machine moves during test.
a. Observe the following conditions/
precautions:
(1) Test brakes on a dry, level sur-
face.
(2) Ensure steering frame lock is
disconnected and stowed (WP
(3) Check area around machine to
ensure machine is clear of per-
sonnel and obstructions.
0012 00-44
