Table of Contents
Advertisement
D D i i s s a a s s s s e e m m b b l l y y a a n n d d A A s s s s e e m m b b l l y y
Disassembly
1. Remove housing cap, brake spring, brake wheel and components as outlined on
2. On 1/4 ton models, remove nuts (38910), releasing gear and bearing assemblies.
3. On 1/2 and 1 ton models, remove screws (Y194-44), nuts (33368), washers (Y1-516) and bolts (33369), releasing
support ring and gear assemblies.
4. Bearing (36546) and grease seal (37706) should be removed only for replacement.
Assembly
Note: Lubricate gears and bearings liberally with ARO 33153 grease when assembling.
1. Assemble grease seal (37706) and bearing (36546) to end plate, if removed.
2. On 1/4 ton models, assemble bearings (32325) and retaining rings (38908) to idler gears (38905) and secure to
end plate with screws (38907) and nuts (38910).
3. On 1/2 and 1 ton models, assemble wear plates (45909), gear assemblies and bushings to end plate and secure
with support ring, screws (Y194-44), bolts (33369), washers (Y1-516) and nuts (33368).
4. Assemble end plate to housing and secure with washers (30997) and screws (Y99-41).
5. Assemble brake wheel (33376) to splined end of motor spindle and secure with washer (Y117–416) and nut (Y12-
106).
6. Assemble steel balls (Y16-10) and screw (37701) into bracket. Position brake shoes (33387 or 33387-1) over brake
wheel and assemble brake spring (42982) over shoes, using brake spring spreader (33541).
7. Assemble housing cap over brake and secure with screws (Y19-113-C). Refer to
Motor Section
33235 BEARING (PAIRED)
33277 KEY
33373 SPINDLE
Y325-154''O" RING
1/8 ton Cylinder 49171
INCLUDES Y178-73 ROLL PIN
NOT INCLUDED IN MOTOR ASSEMBLY
*
Disassembly
1. Remove motor from housing as outlined on
2. Remove screw (Y200-59) and washer (47653686001). Motor will now come apart.
Assembly
1. Assemble bearings (33235) and spacers (33272) into end plates.
Note: Bearings (33235) are paired flush face bearings, shielded on one side. The open or unshielded side must
be installed facing the end plate. Lubricate bearings with 33153 grease when assembling.
2. Assemble end plate (33284) together with bearing and spacer on large end of spindle shaft (33373) and slide up
to boss on shaft.
3. Assemble key (33277) into groove in spindle and assemble rotor with groove aligned with key on spindle.
4. Assemble cylinder over rotor to end plate and assemble blades (43067) to rotor.
5. Assemble end plate (47663336001) together with spacer and bearing. Secure with washer (47653686001) and
screw (Y200- 59). Hold spindle in a suitable holding device, being careful not to damage splines or threads on
end of spindle.
6. Assemble "O" rings (Y325-12) into end plate.
7. Assemble motor with "O" ring (Y325-154) into housing.
20
Figure 14. MHP3435
CYLINDER 34032 (STANDARD DESCENT)
*
33284 END PLATE
33272 SPACER (2)
34541 CYLINDER
(EXTRA - FAST DESCENT)
"Removal of Hoist," p.
47663336001 END PLATE
43068 ROTOR
*
43067BLADE (8)
15.
Figure 11, p.
17.
"Brake Adjustment," p.
Y200-59 SCREW
TORQUE TO 90-110 IN. LBS.
Y325-12 "O" RING (2)
47653686001 WASHER
46076-STANDARD
MOTOR ASS'Y.
46077 -EXTRA-FAST
14.
Advertisement
Table of Contents
