User's Manual

Repair

313527V 31

Disassemble Ram Piston

1. Relieve pressure.

2. Remove nuts (1a) and lockwashers (1b) holding the

tie bar (1c) to the piston rods (1d). See page 38.

3. Remove nuts (103, 105) and washers (102, 104).

See parts illustration on page 42.

4. Lift tie bar (1c) off rods.

5. Remove retaining ring (1h) by gripping the ring tab

with a pair of pliers and rotating the ring out of its

groove.l

6. Remove guide sleeve (1g) and slide it off piston rod

(1d).

7. Carefully lay piston (1r) and rod (1d) down so rod

will not be bent. Remove bottom retaining ring (1n)

and o-ring (1p). Remove piston guide band (1q).

Slide piston (1r) off piston rod (1d).

Assemble Ram Piston

1. Install new o-rings (1p, 1j) on piston rod (1d) and

piston (1r). Lubricate the piston (1r) and o-rings (1p,

1j). Reinstall piston (1r) and lower retaining ring (1n)

onto piston rod (1d). Install piston guide band (1q)

onto piston (1r).

2. Carefully insert piston (1r) into cylinder and push rod

(1d) straight down into cylinder. Add three ounces of

lubricant to each cylinder after inserting the piston

(1r).

3. Slide guide sleeve (1g) onto piston rod (1d).

4. Install retaining ring (1e) and tie bar (1c) as

explained in Disassemble Ram Piston.

NOTICE

Do not tilt the piston rod to one side when removing it

from the base or when installing it. Such movement

can damage the piston or inside surface of the base

cylinder.

. 31: 6.5 in. Ram Piston

TI10785A