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Home > Ordnance Documents and other related manuals > > Roadwheel Classification.
Figure 8. Inspecting Sprocket.
Conclusion - Od16720031

Maintenance of the M88A1
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MAINTENANCE OF THE M88A1 - OD1672 - LESSON 1/TASK 2
sprocket extends beyond the edge of the gage, the sprocket may be reversed.
c.
Repair.
If the inspection reveals any of the conditions listed in
paragraph  4a(1)  on  page  20,  repairs  will  be  accomplished  using  the
procedures in TM 9-2350-256-20.
5.
Roadwheel Classification
a.
Conditions of Classification.
As with the track and sprocket, to
determine the serviceability classification of the  roadwheel an initial
inspection of each wheel (figure 8, view B, on the previous page) must be
performed.  This inspection involves checking the temperature of roadwheels,
the wheel disk tires, end mounting holes.
The roadwheel is classified
unserviceable if any of the following conditions exist:
(1) Tire separation from rim.
(2) Roadwheel rubber chunking equals half the original contact area
around the entire wheel.
(3) Roadwheel mounting holes are elongated.
(4) Tire  flat
spots
or
damage
which would
cause
thumping
during
vehicle operation.
(5) Roadwheel is bent.
b.
Inspection  of  the  Roadwheel.
Immediately  after  operation  of  the
vehicle, cautiously feel for noticeable variation in the temperature between
the roadwheels.
WARNING
The roadwheels, idler track support roller hubs, and
shock absorbers can heat up enough to burn you.
Be
careful when feeling them.
An overheated hub indicates maladjustment, inadequate lubrication, or a bad
bearing.  After checking the temperature of the roadwheels, clean them with
soap and hot water; use steam if available to remove the excess grease and
dirt.  Clean all other parts thoroughly, except seals,
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