Compressor and Clutch Maintenance (Rev 1/99)
89
Electric Motor/Compressor Belt
Loosen the bolts that fasten the compressor mounting
bracket to the frame and turn the adjusting nut to tension the
belt. Tighten the bolts that fasten the compressor mounting
bracket to the frame when the belt tension reads 58 to 60 to
TK Gauge P/N 204-427.
NOTE: Do not overtighten the belts. Proper belt tension
should allow the belt to be deflected 0.5 in. (13 mm) at the
center of the span with no motor movement. A belt that is
too tight causes severe overload on the compressor and
motor bearings. Use only approved Thermo King Service
Parts replacement belts. They are specially designed for
these units.
Electric Motor/Compressor Belt
1. Compressor Mounting Bracket Bolt
2. Adjuster
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