17
MAINTENANCE (Continued)
Gear Case - Disassembly
FOR GEP120-M37 AND GEP150-M37
1. Remove the Pinion Coupler Assembly (35) from the
Motor Housing Assembly.
2. If the Coupling Nut requires replacement, spread the
ends of the Retaining Ring (46) and remove it from the
Gear Case Assembly. Slide Coupling Nut off the Gear
Case Assembly.
3. Work a pointed tool under the Ring Gear Retainer (34)
and spiral it out of the Gear Case (48).
4. Tilt the Gear Case Assembly so that the Ring Gear (43)
and 1
st
Stage Spindle Assembly (37) slide out of the
Gear Case Assembly.
5. With the motor end of the Gear Case Assembly
standing on the table of an Arbor press, carefully press
the 2
nd
Stage Spindle Assembly (39) out of the Bearing
(51) while lightly supporting the Spindle Assembly
from beneath to avoid breakage.
6. Using internal snap ring pliers, remove the Retaining
Ring (52) from the threaded end of the Gear Case (48).
7. Remove Bearing (51) from the Gear Case.
FOR GEA240-M37, GEF240-M37 AND GEP240-M37
1. Remove the Pinion Coupler Assembly (35) from the
Motor Housing Assembly
2. Work a pointed tool under the Ring Gear Retainer (34)
and spiral it out of the Gear Case (48).
3. Tilt the Gear Case Assembly so that the Ring Gear
(43), 1
st
Stage Spindle Assembly (37), 2
nd
Stage Spin-
dle Assembly (39) and 3
rd
stage Spindle Assembly
(45) slide out of the Gear Case (48) all together.
4. Using internal snap ring pliers, remove the Retaining
Ring (36) from the Ring Gear.
5. Tilt the ring gear and slide the 1
st
Stage Spindle
Assembly (37) and 2
nd
Stage Spindle Assembly (39)
out of the Ring Gear.
6. With the output end of the Ring Gear resting on the
table of an arbor press, carefully press the 3
rd
Stage
Spindle Assembly (45) from the Spindle Bearing (41)
and out of the Ring Gear.
7. From the output end of the Ring Gear, push the Spindle
bearing (41) out of the Ring Gear.
8. If the Coupling Nut requires replacement, spread the
ends of the Retaining Ring (46) and remove it from the
Gear Case Assembly.
FOR GEF400-M37 AND GEP400-M37
1. Remove the Pinion Coupler Assembly (35) from the
Motor Housing Assembly.
2. If the Coupling Nut requires replacement, slide the
Coupling Nut off the Motor Housing Assembly.
3. From the output end of the Gear Case Assembly, push
the 3
rd
Stage Spindle Assembly (45) until the Ring
Gear, 1
st
Stage Spindle Assembly (37), 2
nd
Stage Spin-
dle Assembly (39) and 3
rd
Stage Spindle Assembly
(45) slide out of the Gear Case (48) all together.
4. Using internal snap ring pliers, remove the Retaining
Ring (36) from the Ring Gear.
5. Tilt the ring gear and slide the 1
st
Stage Spindle
Assembly (37) and 2
nd
Stage Spindle Assembly (39)
out of the Ring Gear.
6. From the output end of the Ring Gear, carefully pull
the 3
rd
Stage Spindle Assembly (45) out of the ring
gear. It may be necessary to push it from the opposite
side.
7. If necessary, remove the O-ring (31), from the Motor
Housing Assembly.
FOR OFFSET GEARING DISASSEMBLY:
REFER TO THE APPROPRIATE MAINTENANCE
MANUAL LISTED IN THE QE8 HIGH TORQUE
GEARING PARTS LIST.
• This procedure is to be done by an authorized, trained
repair person. To ensure proper functioning of the
tool:
When replacing the Motor Housing Assembly (1), always
ensure that the Memory Chip (7), Communication Board
(8), Gear Case Assembly, and Attachment are all assembled
as a set with the new Motor Housing Assembly.
Grips
1. For models with levers, use the appropriate hex key to
loosen Cap Screws (23) from lever (24 or 25) and
remove lever from Handle Grip (19 or 20).
2. Use the appropriate hex key to loosen the Cap Screw
(22) from Handle Grip (18, 19, 20 or 21).
3. Slide Handle Grip off of Motor House Assembly (1).
WARNING