TM 5-4310-354-14
4-64. Engine Water Temperature Gauge.
a. Removal. Drain coolant from radiator to a level
below engine cylinder head; then, remove engine water
NOTE
temperature gauge as shown in K, figure 4-34.
Make certain that ammeter terminals
WARNING
are tightened securely to provide a
good charging circuit for the battery.
Dry cleaning solvent, P-D-680, used
Check wiring diagram, figure 1-3, for
to
clean
parts
is
potentially
proper connections.
dangerous
to
personnel
and
property.
Avoid repeated and
prolonged skin contact. Do not use
4-66. Tachometer - Hourmeter.
near open flame or excessive heat.
a. Removal. Remove the tachometer-hourmeter
Flash point of solvent is 100 F-130 F
as shown in M, figure 4-34.
(38 C-59 C).
WARNING
b. Cleaning and Inspection.
Dry cleaning solvent, P-D-680, used
(1) Clean the gauge, sensing bulb, and
to
clean
parts
is
potentially
connecting cable with a cloth dampened
dangerous
to
personnel
and
with solvent, Federal Specification P-D-
property.
Avoid repeated and
680, Type II. Dry thoroughly.
prolonged skin contact. Do not use
near open flame or excessive heat.
(2) Inspect gauge face glass for damage.
Flash point of solvent is 100 F-130 F
Inspect case for cracks, distortion, or any
other defect.
(38 C-59 C).
(3) Inspect sensing bulb for damage and
b. Cleaning and Inspection.
connecting cable for kinks, breaks, or any
other defect.
(1) Wipe the tachometer-hourmeter with a
cloth dampened with solvent, Federal
(4) Inspect attaching hardware for distortion,
Specification P-D-680, Type II.
Dry
damaged threads, or any other defect.
thoroughly. Also, wipe the tachometer
drive adapter and drive cable in the same
c. Installation. Install the engine water temperature
manner.
gauge as shown in K, figure 4-34. Service the radiator,
(2) Inspect the gauge 'face glass for damage.
Inspect case for cracks, distortion,
damaged threads, or any other defect.
4-65. Ammeter.
a. Removal. Disconnect battery ground cable and
(3) Inspect drive cable for kinks, breaks, or
remove the ammeter as shown in L, figure 4-34.
any other defect.
b. Cleaning and Inspection.
(4) Inspect drive adapter for cracks, breaks,
damaged threads, operation, or any other
(1) Wipe the ammeter with a clean, dry cloth.
defect.
(2) Inspect gauge face for damage. Inspect
(5) Inspect attaching hardware for distortion,
case for cracks, distortion, damaged
damaged threads, or any other defect.
terminals, or any other defect.
c. Installation. Install the tachometer-hourmeter as
(3) Inspect attaching hardware for distortion,
shown in M, figure 4-34.
damaged threads, or any other defect.
4-76