ARMY TM 5-5420-212-23
MARINE CORPS TM 08676A-23/3
(6)
HYDRAULIC JACK 15T & 20T - RAM WILL NOT SUPPORT LOAD (paras. 2-26 and 2-33, 3-9 and 3-10).
a. Check for damaged release valve.
Clean release valve assembly. Inspect valve seatings and replace as necessary.
b.
Check for worn ram packing.
Replace ram packing as necessary.
c.
Check valve seat in bottom of ram for damage/debris.
Clean and replace as necessary.
(7)
ROCKING ROLLER - UP/DOWN INDICATOR NOT VISIBLE (para. 3-13).
Check for bent, broken or missing indicators (spring pins).
Replace as necessary.
(8)
ROCKING ROLLER - BEARING PLATE JAMMED IN LOCKED OR UNLOCKED POSITION.
Check for bent or damaged brackets, bearing plate or securing pins.
Replace as necessary.
(9)
ROCKING ROLLER - BEARING PLATE WILL NOT HOLD IN LOCKED POSITION.
Check for damaged or broken plungers.
Replace as necessary.
(10)
ROCKING ROLLER - WILL NOT SIT PROPERLY ON CAPSILL.
Check guide holes in base of pedestal for damage.
Remove any burrs with a round file.
(11)
ROCKING ROLLER - ROLLERS WILL NOT TURN.
a.
Check for damaged bearings and seals.
Replace as necessary.
b.
Check for loose flanged nut (sheared spring pin).
Replace as necessary.
3-3
