Generac Power Systems Quietpact 75 User Manual
Page 4
TEST 9 -
Check Brush Leads ...................................................... 43
TEST 10 -
Check Brushes & Slip Rings ........................................ 43
TEST 11 -
Check Rotor Assembly ................................................ 44
TEST 12 -
Check Main Circuit Breaker .......................................... 44
TEST 13 -
Check Load Voltage & Frequency ................................ 45
TEST 14 -
Check Load Watts & Amperage .................................. 45
TEST 15 -
Check Battery Charge Output ...................................... 45
TEST 16 -
Check Battery Charge Rectifier .................................... 45
TEST 17 -
Check Battery Charge Windings/
Battery Charge Resistor .............................................. 46
TEST 18 -
Try Cranking the Engine .............................................. 47
TEST 19 -
Test Primer Switch........................................................ 47
TEST 20 -
Check Fuel Pump ........................................................ 48
TEST 21 -
Check 7.5 Amp Fuse .................................................... 49
TEST 22 -
Check Battery & Cables................................................ 49
TEST 23 -
Check Power Supply to Circuit Board .......................... 49
TEST 24 -
Check Start-Stop Switch .............................................. 50
TEST 25 -
Check Power Supply to Wire 56 .................................. 51
TEST 26 -
Check Starter Contactor Relay .................................... 51
TEST 26A -
Check Starter Contactor .............................................. 52
TEST 27 -
Check Starter Motor .................................................... 52
TEST 28 -
Check Fuel Supply........................................................ 54
TEST 29 -
Check Wire 14 Power Supply ...................................... 56
TEST 30 -
Check Wire 18 .............................................................. 56
TEST 31 -
Check Fuel Solenoid
(Gasoline Models) ........................................................ 57
TEST 32 -
Check Ignition Spark .................................................... 57
TEST 33 -
Check Spark Plugs ...................................................... 59
TEST 34 -
Check and Adjust Ignition Magnetos .......................... 59
TEST 35 -
Check Valve Adjustment .............................................. 61
TEST 36 -
Check Carburetion ...................................................... 62
TEST 37 -
Check Choke Solenoid ................................................ 62
TEST 38 -
Check Engine / Cylinder Leak Down Test /
Compression Test ........................................................ 64
TEST 39 -
Check Oil Pressure Switch .......................................... 65
TEST 40 -
Test Oil Temperature Switch ........................................ 65
TEST 41 -
Test Choke Heater ...................................................... 66
TEST 42 -
Check LPG Fuel Solenoid ............................................ 66
S
SE
EC
CT
TIIO
ON
N 8
8::
A
AS
SS
SE
EM
MB
BL
LY
Y ........................................................................................................ 6
68
8--7
70
0
MAJOR DISASSEMBLY .............................................. 68
Enclosure/Panel Removal ........................................68
Stator Removal ........................................................ 68
Rotor Removal ........................................................ 68
Belt Tensioning ........................................................ 69
Engine Removal ...................................................... 69
Startor Removal ...................................................... 69
Flywheel/Magneto Removal .................................... 70
S
SE
EC
CT
TIIO
ON
N 9
9::
E
EX
XP
PL
LO
OD
DE
ED
D V
VIIE
EW
WS
S // P
PA
AR
RT
T N
NU
UM
MB
BE
ER
RS
S ................ 7
72
2--8
83
3
BASE & PULLEY DRAWING ............................................ 72
ENCLOSURE DRAWING ................................................ 74
SHEET METAL
DRAWING .......................................... 76
CONTROL PANEL DRAWING .................................... 78
760 V-TWIN ENGINE DRAWING ................................ 80
LP REGULATOR DRAWING ...................................... 82
S
SE
EC
CT
TIIO
ON
N 1
10
0::
S
SP
PE
EC
CIIF
FIIC
CA
AT
TIIO
ON
NS
S &
& C
CH
HA
AR
RT
TS
S................................................ 8
84
4--8
86
6
MAJOR FEATURES AND DIMENSIONS .................... 84
GENERATOR SPECIFICATIONS .............................. 85
NOMINAL RESISTANCES OF
GENERATOR WINDINGS AT 68°F ............................ 85
ENGINE SPEEDS AND
VOLTAGE SPECIFICATIONS .................................... 86
TORQUE SPECIFICATIONS ...................................... 86
S
SE
EC
CT
TIIO
ON
N 1
11
1::
E
EL
LE
EC
CT
TR
RIIC
CA
AL
L D
DA
AT
TA
A ................................................................................ 8
88
8--8
89
9
ELECTRICAL SCHEMATIC AND
WIRING DIAGRAM ...................................................... 88
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