TM-9-2320-285-24-1
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-1 - Page 947 of 987
TM 9-2320-285-24-1
2-87.
PRESSURE GAGES MAINTENANCE
a.
OIL PRESSURE Gage (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
CLEANING (cont)
3
b.
All other parts
Clean
Use cleaning solvent P-D-680;
(cont)
dry with clean cloths
INSPECTION
a.
Electrical leads
Inspect Replace if insulation
frayed,
(3 and 4)
cut,
or cracked or if con-
ductor corroded or broken
b.
Oil pressure
Inspect
Replace if cracked,
broken,
gage (8)
or inoperative.
If electri-
cal contacts dirty or dis-
colored,
polish to bright-
ness with fine sandpaper
c.
All other parts
Inspect
Replace if cracked,
broken,
or threads damaged
INSTALLATION
5
Instrument
Oil pressure gage
Position
panel,
top
(8)
6
Instrument
a.
Mounting clamp
Position
On oil pressure gage (8)
panel,(7)
mounting studs
underside
b.
Two lock wash-
Install and
washers (6)
tighten
c.
Two electrical
Connect as
Lead (3) to IGN terminal;
leads (3 and
tagged
lead (4) to SENDER terminal
4)
d.
Two lock wash-
Install and
ers (2) and
tighten
nuts (1)
e.
Gage light
Install
Para 2-26d(1)
socket with
bulb
7
Cab
Instrument panel
Lower and
Para 2-26g(1)
secure
8
Battery
Battery ground
Connect
Para 2-34a
box
cable
2-924
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