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 TM 55-1905-222-14
Operator Preventive Maintenance Checks and Services - (Continued)
Equipment is Not
PROCEDURES
INTERVAL
Item To Be
ITEM
Ready/Available If:
Check for and have repaired
Inspected
NO.
or adjusted as necessary
B
D
A
W
M
Ramp Hydraulic
System
30
Valves, Piping,
Inspect pipe Joints and hose
Hoses and Fittings
assemblies for leaks and other
damage. Replace valves, tighten
pipe Joints and replace hoses
as necessary (para 4-30).
31
Ramp Hoist
Inspect pump for leaks and
Pump does not supply suf-
Hydraulic Pump
proper hydraulic connections
ficient pressure to operate the
Ensure pump operates and
ramp
provides adequate hydraulic
pressure to system. Replace
6-6) as necessary
32
Ramp Hoist
Inspect valve for leaks or
Valve does not operate ramp
Control Valve
Improper functioning Check
function of valve in all
positions (neutral, raise, and
lower). Replace (para. 5-17)
or repair (para 6-7) as
necessary
33
Ramp Hoist
Inspect check valve for
Check Valve
leaks Tighten piping connect-
ions to check valve; replace
and repair check valve (para.
34
Ramp Reservoir,
Check level indicator to ensure
Reservoir Is low or empty
Strainers, Filters
proper hydraulic fluid level
Add fluid as necessary. Inspect
strainers and filters for cleanli-
ness and serviceability. Check
for leaks at filters. Replace
strainers and filters as
necessary (para 3-9).
Change 6 2-29
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