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GMC Motor Home User Manual

GMC Motor Home
142 pages
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Table of Contents

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GMC Motor Home Specifications

General IconGeneral
ManufacturerGMC
ModelMotor Home
Model Years1973-1978
Length23 ft (7.0 m)
Width96 in (2, 438 mm)
Weight10, 500 lb (4, 763 kg)
Fresh Water Capacity40 US gal (150 L)
Gray Water Capacity30 US gal (110 L)
Sleeping Capacity4-6
Engine455 cu in (7.5 L) Oldsmobile V8

Summary

Important Information on Vehicle Loading

Maximum Front and Rear Axle Weights

Details on the maximum weight capacities for the front and rear axles.

Vehicle Identification Plate and GVW

Information on the vehicle's identification plate and Gross Vehicle Weight.

Tires and Rear Bumper Loading

Guidance on tire importance and caution for rear bumper attachments.

Driver Check List

Before Entering Vehicle Checks

Pre-drive checks to ensure vehicle readiness before starting.

Before Driving Off Checks

Checks to perform before departing, ensuring safe travel.

Inside Rearview Mirror Adjustment

Instructions for adjusting and using the inside rearview mirror.

Keys and Door Latches

Type 1 and Type 2 Door Latch Operation

Details on operating and locking the vehicle's entrance doors.

Lap Belts

Lap Belt Inspection and Usage

Proper use, inspection, and safety precautions for lap belts.

Child Restraint and Special Needs

Guidelines for safely restraining children and vehicles without special restraints.

Trailer Hauling and Trip Tips

Trailer Hauling Cautions and Maintenance

Important considerations and maintenance when towing a trailer.

Trip Preparation and Safety

Tips for preparing for trips and recommended emergency equipment.

Starting and Operating Vehicle

Engine Exhaust Gas Caution (Carbon Monoxide)

Critical safety warning regarding carbon monoxide hazards.

Steering Column Controls

Anti-theft Steering Column Lock and Parking

Operation of the steering column lock, ignition, and parking procedures.

Starting Engine Procedures

Step-by-step instructions for starting the vehicle's engine.

Automatic Transmission

Engine Starting Procedures (Cold/Warm)

Guidance on starting the engine in various temperature conditions.

Automatic Transmission Operation Modes

Explanation of PARK, REVERSE, NEUTRAL, DRIVE, and SUPER ranges.

Turn Signal and Lane Change Feature

Hazard Warning Flasher and Horn Control

Operation of hazard lights and horn.

Power Steering and Tilt Steering Wheel

Information on power steering assist and tilt steering wheel adjustment.

Cruise Control and Brake System

Cruise Control Operation and Cautions

How to use cruise control and important safety warnings.

Brake System Description and Floor Controls

Overview of the brake system and location of floor controls.

Parking Brake and Headlights

Parking Brake Operation and Adjustments

Instructions for setting, releasing, and adjusting the parking brake.

Headlight Dimmer Switch and Flicker

How to operate headlights and troubleshoot flickering.

Instrument Panel and Controls

Speedometer, Odometer, and Fuel Gauge

Description of primary instrument panel gauges and indicators.

Warning Lights and Fluid Gauges

Explanation of various warning lights and fluid level gauges.

Tell-Tale Warning Light Cluster

Headlight Switch Functions

Details on the headlight switch's multiple functions.

Windshield Wiper Lever Operation

Instructions for operating the variable speed windshield wipers.

Windshield Washers and Fuel Selector

Windshield Washer Operation and Fluid

How to use the washers and recommended washer fluid.

Fuel Selector Switch and Battery Boost

Operating the fuel selector and battery boost switch.

Heating and Air Conditioning Systems

Automotive Heating System Controls

Description of controls for the vehicle's heating system.

Automotive Air Conditioner Operation

How to operate the year-round comfort air conditioning system.

Radios and Tape Deck

Push Button AM Radio and AM-FM Radio

Operation and tuning for AM and AM/FM radios.

Stereo Radio and Tape System

Tuning stereo radio and operating the tape player.

Power Level System

Power Level System Controls and Normal Operation

How to use the power level system for vehicle leveling.

Off-Road, Emergency Operation, and Maintenance

Special operating modes and maintenance for the power level system.

Operation of Living Area Facilities

Living Area Facilities Caution (Carbon Monoxide)

Safety warning for carbon monoxide in living areas.

Living Area Electrical System Overview

General information on the 12-volt and 120-volt systems.

External Power and Lighting System

External Power Connection and Caution

How to connect to external power and safety precautions.

Lighting System and Monitor Panel

Controls for interior lighting and the monitor panel gauges.

Motor Generators

Onan Motor Generator Operation and Maintenance

Operating and maintenance procedures for the Onan generator.

Kohler Motor Generator Operation and Maintenance

Operating and maintenance procedures for the Kohler generator.

Living Area Water System

Filling Water Tank and External Connection

Steps for filling the water tank and connecting to city water.

Water Pump Operation and Maintenance

How the water pump works and troubleshooting common issues.

Water Heater and Kitchen Facilities

Water Heater Operation and Caution

Using the water heater safely and its operational details.

All-Electric Refrigerator Operation

How to operate, defrost, and clean the all-electric refrigerator.

Gas/Electric Refrigerator and Range/Oven

Gas/Electric Refrigerator Operation Modes

Switching between gas and electric operation for the refrigerator.

Kitchen Range/Oven Operation

Instructions for operating the 3-burner and 4-burner range/oven units.

Kitchen Sink and Bathroom Facilities

Kitchen Sink Care and Cleaning

Proper cleaning procedures for the kitchen sink and components.

Standard and Recirculating Toilets

Operation and maintenance of both toilet types.

Bathroom Sink and Shower

Bathroom Sink and Shower Control Valve

How to use the integrated sink and shower controls.

Shower Head Operation

Instructions for using and turning off the shower head valve.

Thermasan System

Thermasan System Operation and Caution

How the waste destruction system works and safety warnings.

Ventilation and Roof Mounted Air Conditioner

Windows and Ceiling Vents

Operation and purpose of windows and ceiling vents.

Roof Mounted Air Conditioner Operation

How to operate and maintain the roof-mounted air conditioner.

Furnace Operation

Furnace Sequence of Operation and Lighting

Steps for operating and lighting the furnace safely.

Shutting Off Furnace and Operating Tips

Procedure for turning off the furnace and common operating tips.

Furniture and Bed Conversions

Double Dinette Conversion to Bed

Steps to convert the double dinette into a sleeping area.

Single Dinette, Front Davo, and Swivel Chairs

Conversions for single dinette, front Davo, and operation of swivel chairs.

Rear Goucho and Side Facing Settee Conversions

Rear Goucho Conversion to Double Bed

How to convert the rear goucho into a double bed.

Side Facing Settee Conversion to Double Bed

Procedure for converting the side-facing settee into a double bed.

In Case of Emergency

Four-Way Hazard Warning Flasher

Using the hazard warning flasher to alert other drivers.

Emergency Starting and Jump Starting

Procedures for emergency engine starting and jump starting.

Jack Usage Instructions

Jack Usage Cautions and Instructions

Safety precautions and steps for using the vehicle jack.

Towing Motor Home

Towing Motor Home Cautions and Procedures

Important cautions and methods for towing the motor home.

Freeing Vehicle and Emergency Exit

Freeing Vehicle from Sand, Mud, or Snow

Techniques for freeing a stuck vehicle.

Emergency Exit and Fire Extinguisher

Using the emergency exit and locating the fire extinguisher.

Appearance Care

Care and Cleaning of Interior

General information and cleaning tips for the vehicle interior.

Vacuum Cleaner Operation

How to use the onboard vacuum cleaner and its components.

Cleaning Fabrics and Stain Removal

Cleaning Fabrics with Fluid and Foam

Methods for cleaning fabric using cleaning fluid and foam cleaners.

Removal of Specific Stains

Specific instructions for removing various types of stains.

Exterior Appearance Care

Bright Metal Parts and Exterior Glass Care

Cleaning and maintenance for bright metal parts and exterior glass.

Polishing and Waxing

Polishing, Waxing, Touch-Up Paint, and Undercoating

Protecting the vehicle finish with polishes, waxes, and undercoating.

Service and Maintenance

Accessibility and Exterior Compartments

Locations and access to exterior compartments for service.

Front Access Doors and Engine Accessibility

Accessing engine components through front doors.

Engine Compartment and Hoisting

Engine Accessibility and Cover Removal

How to access and remove the engine compartment cover.

Hoisting Instructions and Roof Carrier

Proper procedures for hoisting the vehicle and roof carrier capacity.

GMC Motor Home Maintenance Schedule

Lube & General Maintenance

Routine lubrication and general maintenance tasks.

Safety Maintenance Items

Key safety checks to be performed by the owner.

Recommended Fluids & Lubricants

Lubrication Details and Engine Oil

Engine oil and filter recommendations and lubrication details.

Transmission and Steering System

Transmission Fluid Check and Replacement

How to check and replace transmission fluid.

Power Steering System Fluid Check

Checking the fluid level in the power steering system.

Servicing Details: Brakes and Cooling

Brake System and Master Cylinder Checks

Checking the brake system, master cylinder, and bleeding brakes.

Engine Cooling System Checks

How to check and maintain the engine cooling system.

Engine Fuel System

Fuel Requirements and Fuel System

Gasoline recommendations and fuel system description.

Thermostat and Fuel Tank Information

Thermostat function and fuel tank details.

Carburetor Adjustments

Choke Coil and Slow Idle Adjustments

Procedures for adjusting the choke coil and slow idle speed.

Fast Idle Adjustment and Fuel Filter

Adjusting fast idle speed and replacing the fuel filter.

LP Gas System and Chassis Electrical

LP Gas System Operation and Safety

Safe operation and handling of the LP gas system.

Chassis Electrical System and Batteries

Overview of the chassis electrical system and battery care.

Generating System and Distributor

Delcotron Generator and Precautions

Information on the Delcotron generator and operating precautions.

Distributor Maintenance and Ignition Timing

Distributor care, point adjustment, and ignition timing.

Headlight Replacement and Exterior Lights

Headlight Replacement and Beam Adjustment

Procedures for replacing and adjusting headlights.

Exterior Lights Replacement

How to replace exterior light bulbs.

Chassis Fuses and Living Area Electrical

Chassis Fuses, Fusible Links, Circuit Breakers

Protection for chassis circuits and location of fuse blocks.

Living Area 12-Volt System Fuses

Fuse locations and types for the living area 12-volt system.

Light Bulb Specifications

Instrument Panel Light Bulbs

Specifications for instrument panel light bulbs.

Exterior and Living Area Light Bulbs

Specifications for exterior and living area light bulbs.

Owner Assistance

Steps for Obtaining Owner Assistance

Procedure for resolving problems with the dealership or factory.

U.S. Zone Offices

Mexico Zone Office

Contact information for the Mexico zone office.

GMC Sudden Service System

After-Hour Service Assistance Contact

How to contact for service assistance outside of normal business hours.

Maintenance Manual Order Information

How to order the GMC Motor Home Maintenance Manual.

Gas Station Information

Gasoline and Fueling Safety

Recommendations for gasoline and safety during fueling.

Front Access Doors and Engine Dipstick Check

Accessing front doors and checking engine oil level.

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