Thermo King SB-210, Manual

Page: 99 / 159

Engine Maintenance
99
Clutch (Model 50)
Periodically inspect the clutch for worn bearings,
worn friction shoes and for broken springs. To
inspect the clutch:
1. Loosen the back-up hex nut and move the hex
nuts on the compression spring adjustment
screw to relieve the tension on the compressor
belts.
2. Support the compressor and unbolt the
compressor from the bell housing studs.
3. Remove the compressor from the bell housing
and turn the compressor to provide better
access to the clutch.
NOTE: The refrigeration lines may be
removed from the compressor to allow more
movement of the compressor for better access
to the clutch.
4. Remove the compressor belts.
5. Remove the clutch mounting bolt and special
washer.
6. Remove the clutch with a clutch puller.
7. Remove the key from the compressor
crankshaft and inspect the key and the
crankshaft for wear, burrs, or damage.
8. To disassemble the clutch, press the pulley out
of the bearing.
11
10
9
8
7
6
5
4
3
2
1
AGA338
1. Clutch Mounting Bolt 7. Spring
2. Special Washer 8. Friction Shoe
3. Snap Ring 9. Mounting Bolt Plate
4. Bearing 10. Friction Shoe Mounting Bolt
5. Lock Nut 11. Pulley
6. Hub
Figure 89: Clutch