User's Manual
Repair
70 3A2347T
4. Use four screws (511) to install air manifold
assembly (520) onto air motor finger tight to align
cover (506).
5. Torque two bolts (512) incrementally to 11-13 ft-lb
(15-18 N•m) to ensure top and bottom cap
seals (505) seat properly.
6. Torque four air manifold screws (511) to
95-105 in-lb (10.7-11.9 N•m).
7. Install Air Motor, page 69.
Replace Air Motor Throat Seals
NOTE: This procedure uses adhesive that requires a
12-hour system idle time for full cure. If possible, per-
form this procedure at the end of the day or week so it
can cure overnight or over the weekend while the sys-
tem does not need to run. Otherwise, keep a spare air
motor on hand so it can be used while the adhesive
cures.
Disassembly (see F
IG
. 53):
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. Remove four screws (511) to remove air manifold
assembly (520).
5. Remove two bolts (512) then carefully remove air
motor base cap (501) from the rest of the air motor
assembly.
6. Disconnect rod (223) from air motor piston (519)
then remove rod from air motor base cap (501).
7. Remove retaining ring (517) from base cap (501)
8. Remove two u-cup throat seals (507) from throat of
air motor base cap (501) and discard seals.
Reassembly (see F
IG
. 53):
1. Apply water-resistant grease to new u-cup
seals (507) then install seals into throat of air motor
base cap (501).
2. Install retaining ring (517) in base cap (501).
3. Carefully insert rod (223) into air motor base cap.
4. Apply high strength adhesive, supplied with kit, to
rod threads then connect rod (223) to air motor
piston (519). Torque to 35-40 ft-lb (47-54 N•m).
5. Reassemble remaining air motor parts, excluding air
manifold assembly, then install two bolts (512) fin-
ger tight.
6. Use four screws (511) to install air manifold
assembly (520) onto air motor finger tight to align
cover (506).
7. Torque two bolts (512) incrementally to 11-13 ft-lb
(15-18 N•m) to ensure top and bottom cap
seals (505) seat properly.
8. Torque four air manifold screws (511) to
95-105 in-lb (10.7-11.9 N•m).
9. Install Air Motor, page 69.
10. Prior to using system, wait 12 hours for adhesive
used in step 4 to fully cure.
F
IG
. 53
ti20769a
511
520
512
501
519
223
507
507
517
502
NOTICE
Carefully reassemble air motor to prevent damage to
seals.