JACK WILL NOT RISE TO CAPACITY HEIGHT.

TM 9-1425-600-34-5-2

29. JACK WILL NOT RISE TO CAPACITY HEIGHT.

PROBABLE CAUSE

POSSIBLE REMEDY

Fluid level low................................................................. Refill with fluid (paragraph 19) and check for leaks

(paragraph 25)

Closed air vent assembly ............................................... Open air vent assembly (paragraph 13)

Sticking intake valve in pump assembly ........................ Pump rapidly to dislodge. Report to DS and GS main-

tenance if malfunction persists

30. RAM RISES AND FALLS DURING EACH STROKE.

PROBABLE CAUSE

POSSIBLE REMEDY

Release valve open slightly ............................................ Close valve (paragraph 13)

Pump assembly defective............................................... Replace (paragraph 37)

31. JACK WILL NOT HOLD UP LOAD.

PROBABLE CAUSE

POSSIBLE REMEDY

Valve leaking ................................................................. Tighten valve (paragraph 13)

Cylinder defective........................................................... Replace (paragraph 38)

Pump assembly defective............................................... Replace (paragraph 37)

32. JACK WILL NOT LOWER THE LOAD.

PROBABLE CAUSE

POSSIBLE REMEDY

Ram distorted ................................................................ Replace (paragraph 38)

Valve defective............................................................... Replace pump assembly (paragraph 37) or report to

DS and GS maintenance

33. JACK WILL NOT COMPLETELY CLOSE.

PROBABLE CAUSE

POSSIBLE REMEDY

Air under the ram............................................................ Bleed the system (paragraph 39)

Ram distorted ................................................................. Replace cylinder and ram (paragraph 38)

34. HANDLE STROKE PARTIALLY INEFFECTIVE.

PROBABLE CAUSE

POSSIBLE REMEDY

Air in pump chamber ...................................................... Open valve (paragraph 13) and pump rapidly

Air vent assembly closed ................................................ Open air vent assembly (paragraph 13)

Pump assembly screen clogged ..................................... Report to DS and GS maintenance

35. HANDLE MOVES UP.

PROBABLE CAUSE

POSSIBLE REMEDY

Air in pump chamber ...................................................... Open valve (paragraph 18) and pump rapidly

Pump assembly defective............................................... Replace pump assembly (paragraph 37)

Section VI. STRUCTURAL MEMBERS

(4) Remove leg (8) and spring (7) from shaft

36. LEG AND CASTER ASSEMBLY.

(5).

a. Disassembly.

(5) Remove nut (4), washers (3), and bolts (2);

(1) Remove cotter pin (3, figure 3), washer (4),

separate shaft from caster (1).

and pin (5).

(6) Do not remove lubrication fitting (9) unless

(2) Remove leg assembly.

replacement is necessary.

(3) Compress spring (7, figure 4) and remove

retaining ring (6).