1973-74 Maintenance Manual - X7425

The documents referenced below form Section 6M, 6T, and 6Y of the manual as
printed by GMC then converted to Portable Document Format.

Section 6M - Engine Fuel System


Contents ofthis section are listed below:

SUBJECT
Carburetor
--GeneralDescription
--Theory ofOperation
--CarburetorDiagnosis
--CarburetorReplacement
--CarburetorAdjustments
Accelerator Linkage
Fuel Pump
Air Cleaner
PAGE NO.
6M-1
6M-1
6M-2
6M-6
6M-14
6M-21
6M-26
6M-26
6M-27

Section 6T - Emission Control System


Contents ofthis section are listed below:

SUBJECT
Positive Crankcase Ventilation (P.C.V.)
--Description
--P.C.V.SystemTesting
--InstructionFor Testing P.C.V. Valve
--InstructionFor Testing Complete System
Controlled Combustion System (C.C.S.)
--Description
--Purpose
--Operation
--Diagnosis
--VacuumMotor Replacement
--SensorReplacement
--ExhaustManifold Shroud
Evaporation Control System (E.C.S.)
Thermal Vacuum Switch (T.V.S.)
--Description
--Operation
--VacuumHose Routing
--FunctionalCheck
PAGE NO.

6T-2
6T-2
6T-2
6T-2

6T-3
6T-3
6T-3
6T-4
6T-5
6T-6
6T-6


6T-6
6T-6
6T-7
6T-7

Section 6Y - Engine Electrical


Contents of this section are listed below:

SUBJECT
Batteries
Battery Specifications
Generating System
Generator Specifications
Ignition System
Ignition System Specifications
Starting System
Starter Specifications
PAGE NO.
6Y-1
6Y-13
6Y-13
6Y-25
6Y-25
6Y-42
6Y-42
6Y-50