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TM 5-2420-222-20-2
REVERSE WARNING ALARM - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSTALLATION
16.
Left backhoe
Alarm (2)
Have assistant put in place and hold.
control guard (1)
17.
Alarm (2)
Terminal (3)
Have assistant put in place and hold.
18.
Left backhoe
Two plates (4)
Put in place.
control guard (1)
19.
Two plates (4),
Four screws (5),
Screw in and tighten using 1/2-inch box
left backhoe
washers (6), new
wrench, 1/2-inch, 3/8-inch drive socket,
control guard (1),
lockwashers (7),
and ratchet handle.
alarm (2), and
and nuts (8)
terminal (3)
20.
Terminal (9)
Terminal (10)
a.
Put in place.
b.
Take off tag.
21.
Terminal (9), and
New assembled
Screw on and tighten using 3/8-inch box
terminal (10)
washer nut (11)
wrench.
22.
Battery
Ground cable
Connect (page 2-696).
ADJUSTMENT
NOTE
Reverse warning alarm volume is adjustable. Switch tab connected between L and H terminals
gives highest volume. Tab connected between L and M terminal gives medium volume. Tab
connected to L terminal alone gives lowest volume.
23.
Alarm (2) and three
Switch tab (15)
Check position.
screws (12, 13,
and 14)
NOTE
If switch tab is properly placed for desired volume, skip steps 24 thru 26.
24.
Alarm (2) and
Three screws (12,
Using 1/4-inch flat-tip screwdriver,
switch tab (15)
13, and 14)
loosen.
25.
Three screws (12,
Switch tab (15)
Place in position for desired volume.
13, and 14)
2-686
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