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Section IV: MAINTENANCE INSTRUCTIONS
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TM-55-1730-222-12 Jack Hydraulic Tripod 3 Ton Part No. 8587 Manual
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TROUBLESHOOTING. - TM-55-1730-222-120013
T.O. 35A2-2-77-1
TM 55-1730-222-12
Table 4-1. Periodic Maintenance Lubrication Service Schedule
Service Interval
Lubricant
Procedure
1 Wk
1 Mo
3 Mo
Lubrication/Service
Site
Daily
Oil; Spec MIL-L-7870 Apply light film with
x
First and Second Stage
brush.
Ram Exterior OD
Oil; Spec MIL-L-7870 Apply with oil can.
x
Pump Rocker Arm and
Link Pins
Hand pack.
x
Leg Caster Horn
Grease; Spec
MIL-G-10924
(swivel) Bearings
Apply with pressure
Leg Caster Wheel
x
Grease; Spec
MIL-G-10924
grease gun.
Oil; Spec MIL-L-7870 Apply light film with
x
Leg Caster Stem Shaft
brush.
Check reservoir fluid
Hydraulic Fluid;
x
Hydraulic Fluid Reservoir
level; top-off if low.
Spec MIL-H-5606
Table 4-2. Periodic Maintenance Inspection Schedule
Service Interval
1 Yr
Procedure
Test/Inspection
Inspection Site
3 Mo
Visual inspection; refer to
x
Structural defect and
Footpads
T.O. 35A2-1-1.
crack check
x
Leg Structure
x
Cylinder Head
x
Base Structure
x
Outer Cylinder/Base/Leg/
Footpad Weld Joints
x
Ram Locknuts
x
Rams
Test per paragraphs 4-26 through
Pump safety by-pass
x
Jack Assembly
4-32.
and jack operational
verification
Collapse rams, drain fluid
Purge and flush;
x
Hydraulic System
reservoir and pump; flush and
system cycle and
re-fill with Specification MIL-
functional
H-5606 hydraulic fluid operate
verification
and extend/collapse cycle jack;
top-off fluid reservoir; and test
per paragraphs 4-26 through 4-32.
4-2

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