Harbor Freight Tools 91377 User Manual
7,500 WATT PEAK, 6,600
WATT RATED GENERATOR
WITH ROBIN® ENGINE
91377
ASSEMBLY AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools.
3491 MISSION OAKS BLVD., CAMARILLO, CA 93011
VISIT OUR WEB SITE AT HTTP://WWW.HARBORFREIGHT.COM
TO HELP PREVENT SERIOUS INJURY OR DEATH,
READ AND UNDERSTAND ALL WARNINGS
AND INSTRUCTIONS BEFORE USE.
Copyright © 2004 by Harbor Freight Tools®. All rights reserved. No portion of this manual
or any artwork contained herein may be reproduced in any shape or form without the express
written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353.
REV 07h
SPECIFICATIONS
Generator Wattage @ 240V: 6,600 (rated), 7,500 (peak)
Wattage @ 125V: 6,000 (rated),
Alternator: single phase, 6 KVA. Voltage: 240 / 125
VAC, 60Hz; Nominal current: 50 amps at 125 VAC,
25 amps at 240 VAC; Outlets: 120 VAC Standard,
120 VAC twist-lock 3-prong (L530),
240/120 VAC twist-lock (L430)
Triple circuit breaker system, resettable
Engine 13.5 HP Robin Subaru®: EH41 with heavy cast
iron sleeve. EPA and Carb. approved; Four cycle
engine, 7.0 gallon gas tank, 404-cc displacement
Fuel: unleaded gasoline. Automatic “Low Oil” shut
off. Dual isolator mounts
Oil capacity: 40.56 . oz. Starter: Recoil & electric
Frame Full roll cage
Estimated Run Time 14.5 hours per full tank under ½ load
Overall Dimensions 27-1/2 (L) x 19-3/4 (W) x 28-1/8 (H) inches
Suggested Oil Above 32° F-SAE 30; Below 32° F-SAE 5W-30
CAUTION: THIS GENERATOR IS NOT INTENDED TO POWER SENSITIVE ELECTRONIC EQUIPMENT
WITHOUT THE ADDITION OF AN APPROPRIATE LINE CONDITIONER (SOLD SEPARATELY).
This product requires oil and fuel to be added before starting.
Attempting to start the engine without oil WILL ruin the engine and void
the warranty.
BEFORE starting the engine, refer to the engine owner’s manual for engine
maintenance information.
SAVE THIS MANUAL
You will need the manual for the safety warnings and precautions, assembly instructions,
operating and maintenance procedures, parts list and diagram. Keep your invoice with this
manual. Write the invoice number on the inside of the front cover. Keep the manual and
invoice in a safe and dry place for future reference.
GENERAL SAFETY RULES
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS
Failure to follow all instructions listed below may result in
electric shock, re, and/or serious injury.
SAVE THESE INSTRUCTIONS
WARNING: Before using the generator, read and understand the Robin Subaru® Engine
Operation, Maintenance, and Parts Manual. Also read the safety precautions in this
manual which should always be followed to reduce the risk of personal injury and
damage to equipment.
REV 07h
SKU 91377 For technical questions, please call 1-800-444-3353. Page 2
Read all instructions before installing or using this generator!
Ensure installation meets all applicable safety, and local and national electrical codes.
1.
Have installation performed by a qualied, licensed electrician and building contractor.
Do not operate the generator with protective covers, access covers, or terminal box
2.
covers removed.
Disable engine-starting circuits before carrying out maintenance.
3.
Disable closing circuits and place warning notices on any circuit breakers normally
4.
used for connection to the mains or other generators to avoid accidental closure.
Do not alter or adjust any part of the generator assembled and supplied by the
5.
manufacturer.
Always follow and complete scheduled engine and generator maintenance.
6.
Do not attempt to operate the generator when conditions are unsafe. Disable the
7.
generator until the unsafe condition is corrected.
Before performing any internal generator maintenance, remove the negative lead from
8.
the batteries to prevent accidental starting.
Operate the generator only when in full compliance with relevant local and national
9.
electrical codes and standards.
Check for damaged parts. Before using the generator, any part that appears
10.
damaged should be carefully checked to determine that it will operate properly and
perform its intended function. Check for alignment and binding of moving parts; any
broken parts; and any other condition that may affect proper operation. Any part that
is damaged should be properly repaired or replaced by a qualied technician.
People with pacemakers should consult their physician(s) before using this product.
11.
Electromagnetic elds in close proximity to a heart pacemaker could cause
interference to, or failure of the pacemaker.
Guard against electric shock. Prevent body contact with grounded surfaces such as
12.
pipes, radiators, ranges, and refrigerator enclosures.
Replacement parts and accessories. When servicing, use only identical replacement
13.
parts. Use of any other parts will void the warranty. Only use accessories intended for
use with this tool. Approved accessories are available from Harbor Freight Tools.
Do not operate generator if under the inuence of alcohol or drugs. Read warning
14.
labels on prescriptions to determine if your judgment or reexes are impaired while
taking drugs. If there is any doubt, do not operate the generator.
Maintenance. For your safety, service and maintenance should be performed
15.
regularly by a qualied technician. Never work alone on the generator.
Do not alter or adjust any part of the equipment or its engine that is sealed by
16.
the manufacturer or distributor. Only a qualied service technician may adjust
parts that may increase or decrease governed engine speed.
REV 07l
SKU 91377 For technical questions, please call 1-800-444-3353. Page 3
Handling and Installation Precautions
1. All electrical work, including earth-ground connection, should be completed by a
licensed electrician.
2. Any separate fuel storage generator supply facility, must be built or installed in full
compliance with relevant local, state, and federal regulations.
3. If the generator is installed indoors, exhaust fumes must be piped out of the building
using leak-free, heat-resistant piping. Pipes and silencer should not use any
ammable materials, nor should they be installed near the same. Generator exhaust
fumes should be within legal limits.
4. If the generator is installed outdoors, it must be weatherproofed and can be
soundproofed. It should not be run outdoors without weather protection to the
generator and wiring conduit.
5. Never lift the generator using the engine or alternator lifting lugs. Connect lifting
equipment to the frame of the generator.
6. Before lifting the generator, ensure the lift rigging and supporting structure are in good
condition, and are rated to lift such a load.
7. Keep all personnel away from the suspended generator during relocating.
8. The supporting oor should be level, and strong enough to safely hold the weight of
the generator. If the oor is not level, strong cross members should be placed under
the full length of the generator steel frame at its low side.
9. Install sound and weather proong only when it is not raining or snowing to avoid
trapping moisture within the generator.
Fire and Explosion Precautions
1. Generator fuel and fumes are ammable, and potentially explosive. Use
proper fuel storage and handling procedures. Always have multiple ABC class
re extinguishers nearby.
2. The generator room must be adequately ventilated. Exhaust fumes must be
piped to the outdoors.
3. Keep the generator, surrounding oors, and room clean at all times.
4. When spills of fuel or oil occur, they must be cleaned up immediately. Dispose of uids
and cleaning materials as per any local, state, or federal codes and regulations. Store
oil rags in a covered metal container.
5. Never store fuel or other ammable materials near the generator.
6. Do not smoke, or allow sparks, ames or other sources of ignition around the engine,
fuel tanks, or batteries. Fuel vapors are explosive.
7. Keep grounded conductive objects, such as tools, away from exposed, live electrical
parts and connections to avoid sparking or arcing. These events could ignite fumes or
vapors.
SKU 91377 For technical questions, please call 1-800-444-3353. Page 4
8. Do not rell the generator fuel tank of the bed frame while the engine is running.
9. Do not operate the generator with known leaks in the fuel system.
10. Use only engine manufacturer recommended fuel and oil uids.
Mechanical Precautions
1. The generator is designed with guards for protection from moving parts. In any case,
care must still be taken to protect personnel and equipment from other mechanical
hazards when working around the generator.
2. Do not operate the generator with safety guards removed. While the generator is
running, do not attempt to reach around the safety guards for maintenance or any
other reason.
3. Keep hands, arms, long hair, loose clothing, and jewelry away from pulleys, belts, and
other moving parts. Be aware that when engine parts are moving fast they cannot be
seen clearly.
4. When working in and around the generator always wear protective clothing including
gloves, ANSI approved safety goggles and safety hat.
Noise Precautions
The generator can product high noise levels. Prolonged exposure to noise levels above
85 dBA is hazardous to hearing. Always wear ear protection when operating or working around
the generator when it is running.
Electrical Precautions
1. All connections and conduit from the generator to the load must only be
installed by trained and licensed electricians, and in compliance with all
relevant local, state, and federal electrical codes and standards, and other
regulations where applicable.
2. The generator must be earth-grounded in accordance with all relevant electrical codes
and standards before operation.
3. Before performing any maintenance or connecting or disconnecting any electrical load
connections, the engine must be disabled.
4. Do not attempt to connect or disconnect load connections while standing in water, or
on wet or soggy ground.
5. Do not touch electrically energized parts of the generator and interconnecting cables
or conductors with any part of the body, or with any non-insulated conductive object.
6. Connect the generator only to a load or electrical system that is compatible with the
electrical characteristics and rated capacity of the generator.
7. Before servicing equipment powered by the generator, disconnect the equipment from
its power input.
SKU 91377 For technical questions, please call 1-800-444-3353. Page 5
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