E2011 CCN15207129
(800)495--0276 DFAX (800) 892--6276
INGERSOLL RAND COMPANY
209NORTH MAIN STREET -- BRYAN,OHIO 43506
www.ingersollrandproducts.com
OPERATOR’S MANUAL 67343
RELEASED: 10-1-03
REVISED: 8-1-11
(REV.03)
INCLUDING:SERVICE KITS, DISASSEMBLY / REASSEMBLY,PARTS LIST, TROUBLESHOOTING

67343 AIR MOTOR

ALSO COVERS 637399 SERVICE KIT

READ THIS MANUAL CAREFULLYBEFORE INSTALLING,

OPERATINGO RSERVICING THIS EQUIPMENT.

Itis the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.

AIR MOTOR DISASSEMBLY

NOTE:All threads are right hand. Carefully remove the parts, inspectfor
damage,nicks or excessive wear and determine if anyparts will need
replacement.
1. Usinga 7/8” wrench, unthread and remove (11)adapter and (12 and
13) “O” rings, releasing (14) mufflerhousing.
2. Usinga 3/8” wrench, unthread (28) tie rods and remove (27) plate.
3. Removefour (1) bolts, (2) upper cap and (3) track gasket.
4. Remove(10) cylinder, containing (4) sleeves and (7) spools.
5. Using(1) bolt, push (7) spools and (4) sleeves out “sleeve” end of
(10)cylinder.
6. Remove(16) retaining ring, (17) washer and (19) piston.
7. Remove(22) dowel pin, releasing (20) piston adapter.
8. Remove(3) track gasket and (23) lower cap.
9. Remove(26) adapter, with (24) “O” ring and (25) “U” cup.

AIR MOTOR REASSEMBLY

NOTE: Thoroughly clean and lubricate all seals. Replace all soft
partswith new ones included in the repair kit. Note:Refer to the il-
lustration(figure 2, page 2) for “U” cup lip seal direction.
1. Assemble(24) “O” ring and (25) “U” cup to (26) adapter and as-
sembleto (23) lower cap.
2. Assemble(29) piston rod up thru (26) adapter.
3. Assemble(3) track gasket to (23) lower cap.
4. Assemble(21)“O” ring to (20) piston adapter and assemble (20) pis-
tonadapter to (29) piston rod, securing with (22) dowel pin.
5. Replace(18) “U” cups on (19) piston and assemble (19) piston onto
(20) piston adapter,securing with (17) washer and (16) retaining
ring.
6. Replace(5) “O” rings on (4) sleeves and assemble (4) sleeves into
(10)cylinder.NOTE: Assemble each sleeve intotheend of the cylin-
dernearest the exhaust hole.
7. Replace(6 and 9) “O” rings and (8) “U” cups on (7) spools and as-
semble(7) spools into (10) cylinder from the opposite end as the (4)
sleevewent in.
8. Assemble(10) cylinder to (23) lowercap, being careful when sliding
over the lips of (18) “U” cups. NOTE: Be sure (3) track gasket is
seatedproperly.
Figure 1
9. Replace(3) track gasket on (2) upper cap and assemble (2) upper
capto (10) cylinder.
10. Assemble (1) bolts to air motor.
11. Assemble (27) plate to air motor, securing with (28)tie r ods.NOTE:
Tightentie rods to 80 - 90 in. lbs (9.0 - 10.2 Nm).
12. Replace (12 and 13) “O” rings on (11) adapter.
13. Assemble (15) foam liners to (14) muffler housing.
14. Assemble (14) muffler housing to (10) cylinder, securing with (11)
adapter.NOTE:Torque(11) adapter to 80 in. lbs (9.0 Nm) maximum.

TROUBLE SHOOTING

Ifthe pump will not cycle or will not deliver material.
•Becertain to checkf or non-pump problems including kinked,restric-
tiveor plugged inlet / outlet hose or dispensing device. Depressurize
thepump system and clean out any obstructions in the inlet / outlet
materiallines.
•Checkall seals, including track gaskets.
•Checkthe direction of “U” cup lips.