(2) Visually inspect switch for damage or
b. Cleaning, Inspection and Repair.
defect. Use multimeter and test for continuity between
(1) Clean transmitter in an approved cleaning
terminals when switch is ON. When switch is OFF, no
solvent and dry thoroughly.
continuity should be indicated.
(2) Use a multimeter set on l,)w ohm scale
(3) Repair by replacing a defective switch.
across terminals then move float through arc to full
position. During float travel multimeter should indicate
3-150. Starter Push Switch
increasing ohms. When increasing ohms are indicated,
install electrical lead then check position of pointer on
indicator with position of float relative to distance
a. Removal and Installation.
traveled.
(1) Refer to figure 3-116 and remove starter
(3) Repair
by
replacing
a
defective
push switch.
transmitter or mounting hardware.
(2) Install in reverse order.
3-147. Water Temperature Indicator
b. Cleaning, Inspection and Repair.
Refer to
a. Removal and Installation.
push switch in a similar manner.
(1) Refer to figure 3-115 and remove the
water temperature indicator.
3-151. Horn Push Switch
(2) Install in reverse order.
a. Removal and Installation.
b. Cleaning, Inspection and Repair.
(1) Refer to figure 3-116 and remove horn
(1) Clean indicator with a soft cloth
push switch.
dampened in an approved cleaning solvent and dry
(2) Install in reverse order.
thoroughly.
b. Cleaning, Inspection and Repair. Refer to.
(2) Visually inspect indicator for dents, broken
glass, or other defect. Inspect mounting hardware for
switch in a similar manner.
burs, stripped threads, or other damage.
3-152. Electrical Connector (Quick Disconnect)
(3) Repair by replacing mounting hardware or
Receptacle
water temperature indicator.
a. Removal.
3-148. Indicator (Warning) Li ghts, Water High
(1) Remove
electrical
connector
from
Temperature
receptacle at bottom of instrument panel (fig.
and remove indicator (warning) light water high
(2) Remove side panel from control pedestal.
temperature. Install in reverse order.
(3) Remove four nuts, lockwashers, and
b. Cleaning, Inspection and Repair.
Clean,
screws, then remove electrical connector receptacle
inspect, and repair indicator light in manner described in
from bottom of control panel.
b. Installation. Install by reversing procedure
in a, above.
3-149. Run-Shutdown Switch
3-153. Terminal Board and Wiring
a. Removal and Installation.
(1) Refer to figure 3-116 and remove run
shutdown toggle switch.
a. Removal and Installation.
(2) Install in reverse order.
(1) Refer to figure 3-115 and remove terminal
board.
b. Cleaning, Inspection and Repair.
(2) Install in reverse order.
(1) Clean switch in an approved cleaning
solvent and dry thoroughly with compressed air.
b. Wiring Test and Repair. Refer to paragraph 3-
89 for test and repair of wiring.
Section XXI. COUNTERWEIGHTS
3-154. General
counterweight extension is removed.
This will avoid danger of tipping the
Warning:
unit over, damaging the equipment,
Do not travel over rough terrain with
or injury to personnel.
crane-shovel basic unit (without
The counterweight consists of slug punchings
front
end
attachment),
unless
3-122
