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TM 5-2420-222-20-2
STARTER NEUTRAL SAFETY SWITCH - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REPAIR
7.
Neutral safety
If threads are damaged, using thread
switch (1)
restorer file, restore threads.
INSTALLATION
8.
Operator’s
Range shift lever
Make sure they are in neutral
compartment
and gearshift lever
(TM 5-2420-222-10).
WARNING
Properly installed neutral safety switch prevents loader backhoe engine from starting unless
gearshift lever is in neutral. During installation, begin with one aluminum shim regardless of
quantity removed. Switch must be tightened to proper torque each time a shim is added or
removed to insure proper adjustment and prevent possible injury during engine starting.
9.
Transmission top
Aluminum shim or
a.
Screw in and tighten until snug using
cover (2)
shims (3) and
7/8-inch, 1/2-inch drive 12-point
neutral safety
deep socket and ratchet handle.
switch (1)
b.
Using 7/8-inch, 1/2-inch drive 12-
point deep socket and 0 to 150 foot-
pound capacity torque wrench, tighten
to 20 to 25 foot-pounds (27 to 34 N.m)
of torque.
10.
Neutral safety
Two terminals (4)
Using multimeter, check for continuity.
switch (1)
11.
Transmission
Neutral safety
a.
Using 7/8-inch, 1/2-inch drive 12-
cover (2)
switch (1) and
point deep socket and ratchet handle,
aluminum shim or
unscrew and take out.
shims (3)
b.
If multimeter reading in step 10
shows continuity, add one more shim.
c.
Repeat steps 9 thru 11.
d.
If multimeter reading in step 10
shows open circuit, take off one shim
and repeat steps 9 and 10.
Multimeter reading after shim
removal should show continuity only
when gearshift lever is in neutral.
12.
Two terminals (4)
Connector (5)
a.
Push on.
b.
Take off tags.
2-474
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