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Engine Maintenance
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Engine/Electric Motor (Jackshaft) Belt - T-500R/T-Dairy
The engine/electric motor (jackshaft) belt is a 3V belt. A static belt tensioner keeps the belt at the proper tension. Use the
following procedure to replace this belt or adjust the belt tension.
1. If replacing the belt, remove the electric motor (jackshaft)/compressor belt.
2. Loosen the locknut on the restraining mount (snubber) until the chain is loose.
3. Loosen the pulley mounting bolt enough to allow the adjusting bracket to slide, but not enough to allow the pulley to tilt.
4. Turn the adjusting bolt counter-clockwise until the belt is loose. If not replacing the belt go to step 7.
5. Remove the old belt and note how it fits on the pulleys.
6. Install the new belt. Make sure it fits on the pulleys correctly.
7. Take a straight edge, place it against the side of the muffler can and mark the frame as shown below. This is the unloaded
engine position.
Mark Frame
8. Turn the adjusting bolt clockwise to make the pulley descend and tighten the belt until it is at approximately 10 Hz lower than
the correct belt tension setting using the frequency gauge P/N 204-1903 on the top span. This will pull the engine towards the
belt. See “Specifications” for the correct belt tension settings.
Note: When using the frequency gauge P/N 204-1903, place the probe near the belt with the LED shining on the belt. Pluck
the belt with a metal tab as shown below to get an accurate reading. Take three readings and average them.
1.
Probe
2.
Metal Tab
Using Frequency Gauge P/N 204-1903
1
2
Summary of Contents for T-1000R
Page 14: ...Safety Precautions 2 6 Warning Decals 2e24151g0 ...
Page 34: ...Maintenance Inspection Schedule 4 10 ...
Page 57: ...Unit Description 5 23 Purge Mode UT Series 1 3 4 5 2 ...
Page 67: ...Unit Description 5 33 Zone 1 Cool and Zone 2 Cool UT SPECTRUM Units ...
Page 69: ...Unit Description 5 35 Purge Mode UT SPECTRUM Units ...
Page 71: ...Unit Description 5 37 Zone 1 Cool and Zone 2 Heat UT SPECTRUM Units ...
Page 72: ...Unit Description 5 38 ...
Page 74: ...Diesel Electric Menu 6 28 Adjust Brightness 6 29 Time 6 30 ...
Page 120: ...Operating Instructions Standard HMI 7 18 ...
Page 152: ...Engine Maintenance 9 14 T Series Fuel and Oil System Components TK 376 ...
Page 154: ...Engine Maintenance 9 16 T Series Fuel and Oil System Components TK 270 ...
Page 156: ...Engine Maintenance 9 18 UT Series Fuel System Components AMA768 ...
Page 172: ...Engine Maintenance 9 34 T Series Engine Mounting Components for 2 Cylinder Engine ...
Page 184: ...Engine Maintenance 9 46 ...
Page 238: ...Refrigeration Maintenance 10 54 ...
Page 246: ...Clutch Maintenance 11 8 ...
Page 258: ...Structural Maintenance 12 12 ...
Page 264: ...Mechanical Diagnosis 13 6 ...
Page 265: ...14 Electric Standby Diagnosis ...
Page 268: ...Electric Standby Diagnosis 14 4 ...
Page 269: ...15 Refrigeration System Diagnosis ...
Page 272: ...Refrigeration System Diagnosis 15 4 ...
Page 280: ...Remote Evaporators 16 8 ...