Quantcast Electrical Component Inspection - TM-10-3930-631-120044

 

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Figure 4-11. Contactor box, installed view.
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TM-10-3930-631-12 Truck Lift Fork EMD Solid Rubber Tired Wheels 4 000 Lbs Capacity 144 and 180 In Lift Army Model MHE 227 Manual
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Figure 4-13. Accelerator control box, installed view.
TM 10-3930-631-12
c. Cleaning and Inspection. Clean contacts with a
fine file to remove rough spots and erosion. Replace
contacts when inspection reveals silver facings are
almost-worn through.
CAUTION
Do not file or clean contacts while they
are installed in the contactor.  Filings
could cause  damage to the electrical
system.
d. Installation. Refer to figure 4-11 and install the
contacts.
4-29. Electrical Component Inspection
a. General. The following components should be
inspected periodically to maintain the truck in a
serviceable condition. Any damage, wear, or conditions
found that warrant replacement of the component should
be brought to the attention of direct and general support
personnel.
b. Drive Motor Brushes. Remove the drip pan,
and the floor plates. Remove the screws securing the
rear band and remove band from motor. Brushes will
appear through inspection hole in the field yoke (B, fig.
4-12). Inspect brush condition and commutator for wear
and damage.  Check spring for cracks, damage, and
unserviceable conditions.  Install rear band to motor.
Install drip pan and floor plates.
Figure 4-12. Brush location.
4-17

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