Engine Maintenance
74
8. Pull the idler adjusting arm forward and install
the lower fan belt.
Model 50 Belt Adjustments
Alternator Belt Adjustment
The alternator belt tension should read 29 on the
belt tension gauge.
1. Loosen the alternator pivot bolt and the
adjusting arm bolt.
2. Move the alternator on the adjusting arm slot
to adjust the belt to 29 on the belt tension
gauge.
3. Tighten the adjusting arm bolt and alternator
pivot bolt.
Compressor Belt Adjustment
The compressor drive belts should read 79 on the
belt tension gauge.
1. Loosen the back-up hex nut on the belt
tensioner compression spring adjustment
screw.
2. Move the hex nuts on the compression spring
adjustment screw to adjust the belt tension to
79 on the belt tension gauge.
3. With the proper belt tension adjustment,
tighten the back-up hex nut to the adjustment
hex nut on the compression spring adjustment
screw.
Water Pump Belt Adjustment
The water pump belt tension should be 35 on the
belt tension gauge.
1. Remove the bolts from the water pump pulley.
2. Remove the pulley sliding section and add or
remove shims to adjusting the belt tension
gauge.
3. Reinstall the belt on the pulley and replace the
sliding pulley section on the pulley.
4. Tighten the mounting belts on the water pump
pulley.
5. The belt tension should read 35 on the belt
tension gauge.
Fan Belt Adjustment
The fan belt tension should read 74 on the belt
tension gauge.
1. Loosen the idler pulley mounting bolts.
2. Move the idler pulley assembly to adjust the
belt tension to 74 on the belt tension gauge.
3. Tighten the idler pulley mounting bolt.
1.
Blower Wheel
2.
Inlet Ring
3.
Alignment Mark
4.
Edge of Inlet Ring
Figure 50: Condenser Blower Alignment
4
3
2
1
AEA749
Содержание 002008
Страница 4: ...4 ...
Страница 25: ...Unit Description 25 Figure 3 Zone 1 Cool Zone 2 Cool and Zone 3 Cool Zone 3 Zone 2 Zone 1 AGA168 ...
Страница 27: ...Unit Description 27 Figure 4 Zone 1 Cool Zone 2 Cool and Zone 3 Heat Zone 3 Zone 2 Zone 1 AGA169 ...
Страница 30: ...Unit Description 30 Figure 9 Front View AJA920 ...
Страница 31: ...Unit Description 31 1 Access Panels 2 Defrost Damper Figure 10 Back View 1 2 ARA104 ...
Страница 114: ...Mechanical Diagnosis 114 ...
Страница 116: ...Electric Standby Diagnosis 116 ...
Страница 120: ...Remote Evaporator Specifications 120 ...
Страница 122: ...Remote Evaporator Maintenance Inspection Schedule 122 ...
Страница 128: ...Remote Evaporator Electrical Maintenance 128 ...
Страница 132: ...Remote Evaporator Refrigeration Service Operations 132 ...
Страница 134: ...Remote Evaporator Structural Maintenance 134 ...
Страница 136: ...Remote Evaporator System Diagnosis 136 ...
Страница 140: ...Index 140 ...
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