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Page Title:
Table 2-1. Preventive Maintenance Checks and Services for SEE/HMMH (Cont) |
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 TM 5-2420-224-10
Table 2-1. Preventive Maintenance Checks and Services for SEE/HMMH
Item
Interval
Crewmember
Not Fully Mission
No.
Procedure
Location
Capable If:
Item to
Check/
Service
NOTE
22
During
Exterior
Lights
Vehicle operation with damaged or
inoperable lights may violate AR 385-55.
Check for presence and operation of all
exterior lights.
a. Both hydraulic oil cooler
23
During
Backhoe
a. During continuous backhoe operation of
fans fail.
(SEE)
at least one hour one of the hydraulic oil
cooler fans must at a minimum operate
intermittently to properly cool the hydraulic
fluid.
Ensure oil cooler fans operate
properly.
b.
Class III leak.
b. Operate attachments and listen for
unusual noises. Check for leaking cylinders
and control valves and improper operation.
Class III leak.
24
During
Crane
Operate attachments and listen for unusual
(HMMH)
noises. Check for leaking cylinders and
control valves and improper operation.
Check suspension lockout for proper
operation.
25
During
Rear Hydraulic
With PTO engaged, check filter indicator
Needle reaches 36 psi or
System Filter
gage (refer to page 2-18).
higher, or is in red zone on
gage.
Class III leak.
Operate attachments and listen for unusual
26
During
Front Loader
noises. Check for leaking cylinders and
(SEE) and
control valves and improper operation.
(HMMH)
Red indicator button is up.
27
During
Front
Check Filter Service Indicator (refer to page
Hydraulic
System Filter
2-38
Change 1
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