TM 9-4940-421-14
2-3. STARTING THE ENGINE.
WARNING
Do not operate generator-welder within
100 ft. of electronic communication
equipment.
CAUTION
Open overhead door before operating
engine.
a. Preparation for Starting.
(I) Perform the necessary daily preventive main-
tenance checks and services (para 3-3).
(2) Open vent above engine.
b. Starting the Engine.
(1) Unlock throttle and pull out to the idle posi-
tion.
(2) Pull choke control out.
( 3 ) Move ignition switch to the start position and
hold. When engine starts release the switch and it will
return to the run position.
NOTE
If engine fails to start within 30 seconds release starter
and allow to cool before trying to rc-start,
After the engine starts gradually push choke
(4)
control in and adjust throttle control to the desired
rpm.
AR 701537
2-4. STOPPING THE ENGINE.
NOTE
Figure 2-3. External power receptacle.
If the engine has been running hard and is hot, do not stop
it abruptly from full load, but remove and allow
engine to run at idle for three to five minutes.
a. Unlock throttle control and pull out to idle.
b. Place all circuit breakers in the OFF position.
c. Place ignition switch in the OFF position.
2-5. OPERATION OF THE AIR COMPRESSOR.
a. Energize the electrical system (para 2-3).
b. Switch the main power and air compressor circuit
breakers ON.
c. Open air receiver tank draincock and drain con-
densation from tank.
e. To stop compressor push the stop reset button and
place the main power and air compressor circuit
breaker OFF.
automatically shutdown the compressor when pressure
reaches 100 psi and will restart the compressor as soon
as pressure fails below 80 psi.
2-6. OPERATION OF THE GENERATOR-
WELDER.
a. Refer to TM 9-237 for welding techniques.
SAFETY
WARNING
SWITCH
Injury or death can result if shop set is
not grounded properly.
AR 701538
b. Drive a metal ground rod into the ground adjacent
to the shop set. Attach a no. 6 hare copper wire to the
