TM 5-3810-307-10
Table 5-1. Operator Preventive Maintenance Checks and Services - Continued
ITEM
ITEM TO BE
NOT FULLY
NO.
INTERVAL
CHECKED OR
PROCEDURE
MISSION
SERVICED
CAPABLE IF
Anti-two block switch
58e
BEFORE
Anti-two Block
a. Without extending
does not operate.
Switch
boom, swing boom
over the rear and
lower boom to allow
access to boom nose
from ground.
b. Place SWING LOCK
switch in ON position.
c. Have assistant on the
ground slide anti-two
block weight up hoist
cable to verify that
switch trips anti-two
block lockout.
d. Place SWING LOCK
switch in OFF
position.
Backup alarm
58f
BEFORE
Backup Alarm
With PARK BRAKE
inoperable/no ground
applied and engine at
guide available for
idle, place transmission
backing operation.
shift lever in R1 and listen
for backup alarm.
58g
BEFORE
Brakes, Service
NOTE
& Parking
Ensure outriggers are
retracted.
a. Any vehicle
a. Check park brake with
movement with
PARK BRAKE control
park brake
pulled, diesel engine
applied.
at idle, and trans-
mission in gear, check
for forward and
reverse motion of
vehicle.
Continued on next page.
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