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ENGINE DIVISION SERVICE MANUAL
TM 5-4210-230-14&P-1
Subject
Page
ADJUSTMENT PROCEDURE
Off Engine Fast Idle Adjustment ................................ ................................ ................................ ................... 34
Installing Carburetor on Engine................................ ................................ ................................ ..................... 34
Loading the Throttle Redundant Safety Spring................................ ................................ .............................. 34
ON ENGINE ADJUSTMENTS
Fuel Level Adjustment................................ ................................ ................................ ................................ ..34
Fast Idle Adjustment................................ ................................ ................................ ................................ .....35
Idle Speed and Fuel Mixture Adjustment
Without Exhaust Gas Analyzer ................................ ................................ ................................ .............. 36
With Exhaust Gas Analyzer ................................ ................................ ................................ ................... 37
Accelerator Pump Lever Adjustment................................ ................................ ................................ ............. 37
Accelerator Pump Stroke Adjustment................................ ................................ ................................ ............ 38
Dashpot ................................ ................................ ................................ ................................ ....................... 38
Throttle Modulator ................................ ................................ ................................ ................................ ........ 38
Governor Adjustment (Spinner Type)................................ ................................ ................................ ............ 38
Automatic Choke................................ ................................ ................................ ................................ .......... 39
TROUBLE SHOOTING
Electronic Vacuum Modulating Governor Troubleshooting................................ ................................ ............ 41
Secondary Control Valve Troubleshooting
Bench Test................................ ................................ ................................ ................................ ............ 43
On Vehicle Test................................ ................................ ................................ ................................ .....44
SPECIFICATIONS ................................ ................................ ................................ ................................ .............. 46
CGES-125-T Page 2
PRINTED IN UNITED STATES OF AMERICA
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