8
SM-135
1. Check for burrs on rotor wrench flats and remove any with a file. (Flats are apt to
burr through wrench slippage.)
2. Place dead handle of motor in a horizontal position in a vise and secure.
3. Unscrew, counter-clockwise, key 17, Rear Plug.
4. Unscrew, clockwise, (left hand thread) key 16, Seal Ring Fork.
5. Remove key 15, Seal Spring.
6. Remove key 14, Spring Washer.
7. Remove key 13, carbon-type Seal Ring, by turning clockwise, with upward
movement.
CAUTION: Do not directly pull the seal ring off as the threads of tube within
rotor will damage inner ‘O’ Ring Seal inside with resulting leak.
8. Remove keys #1, 8, 9, 10, 11, 12 and 13 as a unit by applying upward pressure
or light blows with a soft-faced hammer against the threaded end of the rotor shaft.
9. To remove key 7, Cylinder, and key 5, Wear Plate, release vise and invert body.
Cylinder and wear plate should normally slide out, assisted by a slight jar. In stub-
born cases grip cylinder internally with fingers to facilitate removal or tap out.
NOTE: Cylinder, Wear Plate and Thrust Ball Bearing, key 4, can be left within
housing assembly unless repair or replacement is required.
CAUTION: Under no circumstances remove the rotor and all parts mentioned un-
der instruction 1 to 8 as a unit at one time. Breakage of the carbon-type Seal Ring,
key 13, may occur.
DISASSEMBLY OF TP-302 AIR MOTOR
ASSEMBLY OF TP-302 AIR MOTOR
1. Place dead handle of motor in a horizontal position in a vise and secure.
2. Insert key 5, Wear Plate, into body making sure dowel groove in wear plate
lines up with dowel hole in Body, key 2, and exhaust notches match exhaust pas-
sage in the body.
3. Insert key 6, Cylinder, making sure locating pin on cylinder enters pin hole of
wear plate. (Lubricate outside of cylinder prior to assembly.)
4. Insert key 1, Rotor, long end down. (Lubricate all bearing surfaces.)
5. Insert six Rotor Blades, key 7, in slots of rotor.
5
SM-135
Key Part No. Description
1 9182 ROTOR ASSEMBLY
2 9274 HOUSING ASSEMBLY
20597 BUSHING
3 41334 SET SCREW
4 9270 THRUST BALL BEARING
5 9272 WEAR PLATE
8 2080 ROTOR BLADE (SET OF 6)
9 7802 REAR JOURNAL
10 7602 ‘O’ RING
11 7605 SEAT GASKET
12 7604 SEAL SEAT
13 7789 SCAVENGER SEAL
7625 ‘O’ RING
14 7608 SPRING WASHER
15 7624 SEAL SPRING
16 7626 SEAL SPRING FORK
17 7593 REAR PLUG
18 28102 QUAD RING
19 7597
20 7661 EYE BOLT
21 7611 SPRING
22 7616 CAP SCREW
23 7614 GRIP LOCK PIN
24 7622 GRIP LOCK
25 7613 HANDLE GRIP BEARING
DEAD HANDLE
26 7615 VALVE SPRING
Qty.
1
1
1
1
1
1
6
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
9268 1 DOWEL PIN
6 9271 1 THRUST BUSHING
7 9273 1 CYLINDER
27 8531 1 VALVE ASSEMBLY
28 7623 1 CAM FOLLOWER PIN
29 7619 2 CAM FOLLOWER ROLL
30 7621 1 HANDLE GRIP
31 7620 1 HANDLE GRIP SPRING
32 7598 1 LIVE HANDLE ASSEMBLY
33 6685 1 STREET ELBOW
