Section Ill. OPERATION

Figure 71.13. Motor-generator set wiring diagram.

Section Ill. OPERATION

make sure power is available for operation.

163. General

If the lamp lights, power is available. If the

lamp fails to light when depressed, press the

This section of the supplement contains complete

reset button to see if the circuit breaker is

operating instructions for all components of the

tripped, and repeat the test.

winterization kit.

(2) Set the control switch to either ON position.

(When the "ON-LO" setting is used, the heat

164. Engine Radiator Shutter

output is lower than for high-fire operation.)

(3) Preheating takes place for approximately

a. Pull the control knob (fig. 71.14) outward to

one minute, after which time the ignition

close the shutters, restricting air flow through the

cycle starts. After approximately another

radiator.

minutes, the control box indicator lamp will

b. When the engine temperature gage indicates

glow and the heater will circulate warm

approximate operating temperature, push the control

liquid.

knob in to adjust the shutters in a position which allows

sufficient air flow to maintain the engine operating

Note. For one minute after the control

temperature.

switch is turned on, the heater will

c. Push the control knob fully in to open the shutter

indicate no visible or audible signs of

to maximum aperture.

operation until the preheater element

165. Liquid Heating System

heats the burner sufficiently to cause

combustion. If the control box indicator

166. Liquid Heater

lamp glows 1 1/2 to 2 minutes after

heater was turned on, the heater is

a. Starting.

operating properly.

(1) Depress the lens of the indicator lamp to

AGO 5667A