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SAE400 WELD’N AIR
F-2
WIRING DIAGRAMS
F-2
M18777
ENGINE WIRING DIAGRAM - SAE-400 WELD’N AIR
from moving parts, and insure all guards or
covers are replaced after servicing.
DAILY CHECKS:
- Electrode and work connections are tight.
- Rotate the current control twice to clean
contacts.
- All equipment in serviceable condition.
AS REQUIRED:
- Blow dust from the machine using clean low
pressure air.
- Clean commutators or slip rings with fine
Operating Manual for instructions.
- Replace brushes before the pigtail is within
1/4" of the commutator. See the Operating
Manual for instructions.
- Grease may be added to bearings no more than
once a year. See instructions in the
Operating Manual.
MOVING
PARTS
CAN INJURE
- Have only qualified personnel perform
Y
B
+
EXC
TO FLASHING DIODE
+
-
ENGINE HOUR METER
IGNITER
+
-
S
MOTOR
+
+
-
-
START
AMMETER
G
N
O
N
C S B
FUSE
(SFE 14)
OIL PRESSURE
SWITCH (N.C.)
TEMPERATURE GAGE
FUEL INJECTION PUMP
FUEL SHUT
OFF VALVE
- Keep hands, hair, clothing and tools away
maintenance work.
- Turn the engine or input power OFF before
maintenance work unless the maintenance work
requires it to be running.
STARTING
THERMOSTART
THERMOSTART
sandpaper-
NOT EMERY CLOTH. See the
ALTERNATOR
RELAY
PROTECTION
ENGINE
IGNITION
SWITCH
MAINTENANCE INSTRUCTIONS
COLD
TERMINAL
LEAD APPEARS ON EARLIER UNITS ONLY
G
G
ENGINE GROUND
WARNING:
85
30
87
86
87a
Compressor
Clutch
Compressor
Enable
Pressure SW.
G
Y
B
B
R
B
Y
U
B
G
B
B
Y
BB
Y
GENERAL MAINTENANCE INSTRUCTIONS FOR
THE SAE-400 WELD’N AIR
- Engine air cleaner, Compressor air filter and
Fuel strainer to be clean of contamination
Fuse (10A)
Y
- Coolant, Engine & Compressor oil to be at
proper operating levels. (Use only IMT
Synthetic Compressor oil.
C-RW
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The
specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.