Thermo King MD-MT, Operator'S Manual

Page: 135 / 192

135
Structural Maintenance
Unit and Engine Mounting Bolts
Periodically check and tighten all unit and engine
mounting bolts. Torque the unit mounting
bolts to 60 ft-lb (81.3 N•m). Torque the engine
mounting bolts to 50 ft-lb (68 N•m).
Lift Points
The unit lifting points are noted below. Note that
three lift points must be used.
Figure 79: Lift Points Side View
Fan Location
When mounting the fan and hub assembly on the
motor or jackshaft, position the assembly in the
orifice with 30 to 35 percent of the blade width to
the air discharge side for proper fan performance.
Figure 80: Fan Blade Position in Orifice
Unit Inspection
Inspect the unit during unit pretrip inspections 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
1. Slots in Frame 1-1/2 in. Long 3/4 in. Wide
2. Holes in Frame 1-1/2 in. Dia.
Figure 78: Lift Points Front View