JLG 800A_AJ Service Manual - Manual (Page 131)

SECTION 3 - CHASSIS & TURNTABLE
3120858 – JLG Lift – 3-75
3.18 SWING MOTOR (S/N 0300068040 TO
PRESENT)
Disassembly
Cleanliness is extremely important when repairing these
motors. Work in a clean area. Before disconnecting lines,
clean port area of motor. Remove key when used. Check
shaft and key slot. Remove burrs, nicks and sharp edges.
Before disassembly, drain oil from motor. Then plug ports
and thoroughly clean exterior of motor.
Although not all drawings show motor in a vise, we recom-
mend that you keep the motor in a vise during disassem-
bly. Follow the clamping procedures explained throughout
the manual.
1. Place motor in vice and clamp across edge of flange
with output shaft down. When clamping, use protec-
tive device on vice such as special soft jaws, pieces
of hard rubber or board.
2. remove cap screws and seal washers.
3. Remove end cap.
4. Remove seal from end cap.
5. Remove gerotor.
6. Remove seal from gerotor.
7. Remove drive spacer if applicable.
8. Remove drive.
9. Remove spacer plate.
10. Remove seal from housing.
11. Remove output shaft from housing.
12. Remove needle thrust bearing from shaft or hous-
ing.