133
Structural Maintenance
Unit Mounting Bolts
Periodically check and tighten all unit mounting
bolts. Torque the unit mounting bolts to 60 ft-in
(81 N•m). Torque the engine mounting bolts to
50 ft-lb) 68 N•m).
Condenser, Evaporator and
Radiator Coils
Check the coils during scheduled maintenance
inspections. Remove any debris (e.g., leaves or
plastic wrap) that reduces the air flow. Clean dirty
coils with compressed air or a pressure washer. Be
careful not to bend the fins when cleaning a coil.
If possible, blow the air or water through the coil
in the direction opposite the normal air flow.
Repair bent fins and any other noticeable damage.
Fan Location
When mounting the fan and hub assembly on the
shaft, position the assembly in the orifice with 30
to 35 percent of the blade width to the air
discharge side for proper fan performance.
Unit Inspection
Inspect the unit during unit pretrip inspection and
scheduled maintenance inspections for loose or
broken wires or hardware, compressor oil leaks,
or other physical damage which might affect unit
performance and require repair or replacement of
parts.
1.
Check Mounting Bolts for Tightness
Figure 77: Check Bolts for Tightness
CAUTION: Air pressure should not be
high enough to damage coil fins.
AEA653
1.
Orifice
2.
Airflow
3.
30 to 35 Percent of Blade
Depth to Discharge Side
Figure 78: Fan Blade Position in Orifice
Содержание 920000
Страница 4: ......
Страница 10: ...Table of Contents 10...
Страница 22: ...Specifications 22...
Страница 41: ...Unit Description 41 Unit Photographs Figure 12 Front View Figure 13 Top View ARD026 AGA267...
Страница 42: ...Unit Description 42 Figure 14 Engine Side Door Open ARD041...
Страница 76: ...Electrical Maintenance 76...
Страница 132: ...Hilliard Clutch Maintenance 132...
Страница 134: ...Structural Maintenance 134...
Страница 146: ...Refrigeration Diagnosis 146...
Страница 148: ...Remote Evaporator Specifications 148...
Страница 150: ...Remote Evaporator Maintenance Inspection Schedule 150...
Страница 154: ...Remote Evaporator Unit Description 154...
Страница 158: ...Remote Evaporator Structural Maintenance 158...
Страница 160: ...Remote Evaporator System Diagnosis 160...
Страница 164: ...Wiring and Schematic Diagrams Index 164...
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