Engine Maintenance
72
Model 30 Belt Adjustments
Alternator Belt Adjustment
The alternator belt tension should read 67 on the
belt tension gauge.
1. Loosen the alternator pivot bolt and the
adjusting arm bolt.
2. Move the alternator on the adjusting arm slots
to adjust the belt to 67 on the belt tension
gauge.
3. Tighten the adjusting arm bolt and alternator
pivot bolt.
Upper and Lower Fan Belt Adjustment
The upper fan belt should read 74 and the lower
fan belt should read 67 on the belt tension gauge.
NOTE: Both the upper and lower fan belts are
adjusted at the same time in one procedure.
NOTE: If a fan belt is loose or damaged, replace
the belt (see “Model 30 Fan Belt Replacement”
on page 73).
1. Loosen the idler assembly pivot bolts and the
idler adjusting arm bolts.
2. Push in or pull out on the idler adjusting arm
to “center” the idler assembly between the
belts and balance the tension equally between
the upper and lower belts.
1
2
3
6
4
7
8
10
11
9
12
5
9
13
1.
Upper Fan Belt
8.
Lower Fan Belt
2.
Condenser Fan Pulley
9.
Engine Pulley
3.
Condenser Fan
10.
Idler Adjusting Arm Bolt
4.
Condenser Inlet Ring
11.
Idler Adjusting Arm
5.
Idler Assembly Pivot Bolt
12.
Alternator Belt
6.
Idler Assembly
13
Idler Adjusting Arm Pivot Bolt
7.
Belt Guide
Figure 49: Model 30 Belt Arrangement
Summary of Contents for 002008
Page 4: ...4 ...
Page 30: ...Unit Description 30 Figure 9 Front View AJA920 ...
Page 31: ...Unit Description 31 1 Access Panels 2 Defrost Damper Figure 10 Back View 1 2 ARA104 ...
Page 114: ...Mechanical Diagnosis 114 ...
Page 116: ...Electric Standby Diagnosis 116 ...
Page 120: ...Remote Evaporator Specifications 120 ...
Page 122: ...Remote Evaporator Maintenance Inspection Schedule 122 ...
Page 128: ...Remote Evaporator Electrical Maintenance 128 ...
Page 132: ...Remote Evaporator Refrigeration Service Operations 132 ...
Page 134: ...Remote Evaporator Structural Maintenance 134 ...
Page 136: ...Remote Evaporator System Diagnosis 136 ...
Page 140: ...Index 140 ...
Page 142: ......
Page 143: ...143 Model 30 Schematic Diagram Page 1 of 2 ...
Page 144: ...144 Model 30 Schematic Diagram Page 2 of 2 ...
Page 145: ...145 Model 30 Wiring Diagram Page 1 of 4 ...
Page 146: ...146 Model 30 Wiring Diagram Page 2 of 4 ...
Page 147: ...147 Model 30 Wiring Diagram Page 3 of 4 ...
Page 148: ...148 Model 30 Wiring Diagram Page 4 of 4 ...
Page 149: ...149 Model 50 Schematic Diagram Page 1 of 2 ...
Page 150: ...150 Model 50 Schematic Diagram Page 2 of 2 ...
Page 151: ...151 Model 50 Wiring Diagram Page 1 of 5 ...
Page 152: ...152 Model 50 Wiring Diagram Page 2 of 5 ...
Page 153: ...153 Model 50 Wiring Diagram Page 3 of 5 ...