Generac Power Systems TXP - Manual (Page 11)

PART II
TROUBLE DIAGNOSIS
Section Title Page
3 DIAGNOSTIC FLOW CHARTS
Engine Won’t Crank.................................................................................................................... 3.1
Engine Cranks, Won’t Start......................................................................................................... 3.2
Engine Starts Hard, Runs Rough............................................................................................... 3.5
Switch Set to STOP, Engine Keeps Running.............................................................................. 3.7
A-C Voltage Low.......................................................................................................................... 3.8
A-C Power Low............................................................................................................................ 3.9
A-C Voltage High......................................................................................................................... 3.9
No A-C Voltage..........................................................................................................................3.10
4 DIAGNOSTIC TESTS
Test 1 - 1 5 Amp Fuse..................................................................................................................4.1
Test 2 - Battery............................................................................................................................ 4.1
Test 3 - Start/Stop Switch............................................................................................................ 4.2
Test 4 - Starter Solenoid................................ '.............................................................................. 4.3
Test 5 • Starter Motor...................................................................................................................4.4
Test 6 - Starter Bendix Gear........................................................................................................ 4.4
Test 7 - Starter Ring Gear............................................................................................................4.5
Test 8 - Check Spark................................................................................................................... 4.5
Test 9 - Oil Make-up Tank........................................................................................................... 4.6
Test 10 - Low Oil Switch.............................................................................................................. 4.6
Test 11 - Spark Plug.................................................................................................................... 4.7
Test 12 - Ignition Module............................................................................................................. 4.7
Test 13 - Ignition Stator................................................................................................................4.8
Test 14 - ignition Coil................................................................................................................... 4.8
Test 15 - Low Fuel Level..............................................................................................................4.9
Test 16 - No Fuel Flow...............................................................................................................4.10
Test 17 - 4 Amp Fuse.................................................................................................................4.10
Test 18 - Printed Circuit Board.................................................................................................... 4.11
Test 19- Fuel Filter.....................................................................................................................4.11
Test 20 - Fuel Shutoff Solenoid................................................................................................. 4.12
Test 21 - Fuel Pump...................................................................................................................4.12
Test 22 - Check Installation........................................................................................................4.13
Test 23 - Carburetor...................................................................................................................4.14
Test 24 - Compression...............................................................................................................4.15
Test 25 - Head Gasket............................................................................................................... 4.15
Test 26 - Valves......................................................................................................................... 4.15
Test 27 - Rings........................................................................................................................... 4.15
Test 28 - Cylinder....................................................................................................................... 4.15
Test 30 - Choke..........................................................................................................................4.16
Test 31 - Pre-Choke................................................................................................................... 4.17
Test 32 - Governor..................................................................................................................... 4.17
Test 33 - Frequency................................................................................................................... 4.18
Test 34 - Excitation Windings.....................................................................................................4.19
Test 35 - Carbon Buildup........................................................................................................... 4.19
Test 36 - Cutput Voltage............................................................................................................ 4.19
Test 37 - Sensing Transformer.................................................................................................. 4.20
Test 38 - Main Circuit Breaker................................................................................................... 4.21
Test 39 - Rotor........................................................................................................................... 4.21
Test 40 - Field Boost.................................................................................................................. 4.22
Test 41 - Stator...........................................................................................................................4.23
Test 42 - Charging Cutput.......................................................................................................... 4.23
Test 43 - Circuit Breaker........................................................................................................... 4.24
Test 44 - Diodes D1 and D2....................................................................................................... 4.24
Test 45 - Stator Battery Charge Windings..................................................................................4.25