Lift Cylinder Assembly - TM-10-3930-638-24-P0747

TM 10-3930-638-24&P

3-30. HYDRAULIC LIFT SYSTEM MAINTENANCE (cont)

e. Lift Cylinder Assembly

This task covers:

d. Inspection/Repair

a. Removal

b . Disassembly

e. Reassembly

f. Installation/Replacement

c . Cleaning

PERSONNEL REQUIRED

T w o maintenance technicians

INITIAL SETUP

TOOLS

NSN 4910-00-754-0654

No. 1 Common Organizational Maintenance Tool Kit

C h a i n Hoists, two, 1/2 ton capacity each

B r a s s jaw vise and support stand

Hard Wooden Blocks (2), 6 by 6 by 12 inches

C o n t a i n e r , six gallon capacity

I n s e r t i o n sleeve, external taper (FSCM 45225 P/N CAS1704-1)

I n s e r t i o n sleeve, internal taper (FSCM 45225 P/N CAS1704-2)

Spanner Wrench NSN 5120-00-277-9077 , NSN 5120-00-277-9076

MATERIALS/PARTS

C l e a n i n g solvent P-D-680

Clean cloths

Seal repair kit

Clean hydraulic oil (refer to current lubrication order)

M e d i u m grit emery cloth

EQUIPMENT CONDITION

Condition Description

Paragraph

V e h i c l e parked on level surface, engine off, parking brake

a p p l i e d , mast vertical, and carriage assembly raised one

f o o t from ground and securely blocked. Control valve

control levers operated several times to relieve hydraulic

pressure.

STEP

ITEM

ACTION

REMARKS

LOCATION

REMOVAL

WARNING

Hydraulic system is under pressure. Before disconnecting any hoses,

lines, or fittings, operate all hydraulic lift control levers to

relieve hydraulic system pressure. Failure to do so could cause

s e r i o u s in j u r y o r d e a t h .

Lift cylinder a. Two hose

Remove

Para 2-56d, steps 2f thru 2j

pulleys (1)

b. Four hose as- Position out

s e m b l i e s (2)

of way

Change 2 3-239