Table of Contents
Advertisement
8-10. Engine/Generator Overload Protection
1
!
Stop engine.
.
When a supplementary protector, cir-
cuit breaker or fuse opens, it usually in-
dicates a more serious problem exists.
Contact Factory Authorized Service
Agent.
.
See Section 9-4 for air compressor
overload protection.
See Section 6-11 for air dryer overload
protection.
1
Supplementary Protector CB9/CB29
CB9 and CB29 protect the 24 volt AC out-
put to remote receptacles. If CB opens,
weld output and 24 volt output to remote re-
ceptacle stops.
2
Supplementary Protector CB2
CB2 protects the engine control circuit. If
CB2 opens, the engine does not crank.
OM-267603 Page 56
.
Complete Parts List available at www.MillerWelds.com
OFF
7
6
5
3
Fuse F1
4
Fuse F2
F1 and F2 protect the stator exciter winding
from overload. If F1 opens, weld and gen-
erator power is low or stops entirely. If F2
opens, weld output is low or stops entirely.
4 kVA/kW generator power is still available.
5
Supplementary Protector CB3
6
Supplementary Protector CB4
CB3 protects the engine weld control cir-
cuit. If CB3 opens, weld output stops,
meters will be blank; however, generator
power is still available.
CB4 protects the field flashing circuit. If
CB4 opens, the generator may not excite at
start-up and weld and generator power out-
put may not be available.
7
VRD Switch
8
2
ON
3
4
8
See Section 6-6 for VRD switch informa-
tion.
8
Supplementary Protector CB14
Air dryer overload protection, see Section
6-11.
9
Supplementary Protector CB15
Compressor overload protection, see Sec-
tion 9-4.
10 Circuit Breaker CB10 (Not Shown)
CB10 protects the engine battery circuit. If
CB10 opens, the engine will not crank.
CB10 automatically resets when the fault is
corrected.
11 Circuit Breaker CB16 (Not Shown)
CB16 protects the glow plug circuit. If
CB16 opens, the glow plug will not operate.
CB16 automatically resets when the fault is
corrected.
9
907 634−2
Advertisement
Table of Contents
