TM 9-4910-743-14&P
3.
Operating Instructions.
a.
When balancing wheels, keep in mind these facts:
General.
(1) Divide the corrective weight into 4 equal pieces, 2 on the inside
rim and 2 on the outside rim.
(2) Therefore, you must always use 4 wheel. weights of the same size,
two placed on the inside rim and two on the outside rim. Use either 4A, 4B or
4C weights. DO NOT MIX SIZES.
(3) The spreading of the weights permits a consistently more accurate
balance, using only 3 sizes of weights instead of 20 sizes.
PM-202 Truck Adapter Instructions. This adapter used on brake drum side
b.
provides an accurate centering hole for balancing on M-60 and M-76 balancer.
Fits :
5 hole wheels on 8.05" centers, 6 hole wheels on 7.25" centers, 8 hole
wheels on 6.5" centers.
NOTE : To insure maximum balancing accuracy, keep studs and adapter free from
nicks and dirt.
(1) Select hole pattern in adapter matching wheel to be balanced.
(2) With flat side of adapter up, insert studs into hole pattern
selected in step No. 1.
(3) Place center hole of adapter over the head of balancer with studs
facing upward.
(4) With brake drum side of wheel facing downward, place on adapter
nesting lug holes on studs.
NOTE :
Install the adapter storage hook in one of the 3/16" holes in the side of
the balancer, and secure with the push-on nut from inside.
c.
To balance a wheel, use the following procedure:
(1) Prepare wheel.
(a) Remove old
weights from wheel. On high-
tread tires, excessive accumu-
lation of rocks should be
removed.
(b) Clean inside
with wire brush to remove
excessive dirt and grease.
(2) Mount wheel.
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