User's Manual

Repair
3A2347T 69
7. If replacing a damaged air motor with a new fully
assembled air motor:
a. Remove three screws (211) securing air motor
tie rods (220) to base plate (219).
b. Remove tie rods (220) from air motor (218).
Install Air Motor
See F
IG . 51.
1. If replacing a damaged air motor with a new fully
assembled air motor:
a. Install tie rods (220) onto air motor (218).
b. Install three screws (211) securing air motor tie
rods (220) to base plate (219).
2. Connect air motor assembly to system:
a. Install three screws (240) to secure air motor
assembly to system.
b. Install dowel pin (238).
c. Install retaining ring (239) over dowel pin (238).
3. Use four nuts (3) to install melter shield (27).
4. Reconnect air supply line to air motor (218).
5. Reconnect air line (36) to pressure relief
valve (245). See F
IG . 40 on page 60.
Replace Air Motor Piston O-Ring
Disassembly (see F
IG . 52):
1. Close the bleed-type ball valve installed at the sys-
tem air inlet to relieve all air pressure in the system.
2. Turn main power switch OFF.
3. Remove Air Motor, page 68.
4. Use 10 mm socket to remove four screws (511) to
remove air manifold assembly (520). See F
IG . 52.
5. Use 13 mm socket to remove two bolts (512) then
remove air motor top cap (510).
6. Remove and discard piston o-ring (504) from
piston (519).
Reassembly (see F
IG . 52):
1. Lubricate all seals with grease.
2. Install new piston o-ring (504) onto piston (519).
3. Reassemble remaining air motor parts, excluding air
manifold assembly, then install two bolts (512) fin-
ger tight.
F IG . 52
NOTICE
Carefully reassemble air motor to prevent damage to
seals.
ti20766a
510
523
505
505
501
512
511
520
504
506