Onan NHE Service Manual

Safety Precautions
Boforo oparatlng tho generator set, read the Operator's
Manual
and become familiar with it and the ui ment. Safe
and rffldent oporation can ba achleved oqy 1 the unit Is
pmpeq oporatod and maintained. Many accidents are
caused y failure to follow fundamental rdes and precautions.
The following symbols, found throughout this manual, alert you
to potentiall dangerousconditionsto theqmator,service per-
sonnel, or x e equipment.
77th sjmboi warns of immediate haz-
ards which will result In sevete personal Injq or
death.
iMWAANlNGI~fssym~lrefers to a hazard orunsafe
practrce which
can result in severe personal Injuty
or death.
IricAunoNj Thlssymbolrefers to a hazard or unsafe
practice
whlcb can msult in personal fnjuty orpmd-
uct
or propew d8mge.
FUEL AND FUMES ARE FLAMMABLE. Fire. explosion, and
personal
injury can result from improper practices.
DO NOT fill fuel tanks while engine is running. Fuel cork~ct
with hot engine or exhaust is a potential fire hazard.
DO NOTSMOKE OR USE AN OPEN FLAMEnearthegen-
erator set or fuel tank
hnl lines must be dquatrly secund and free of leaks.
Fuolconnoction at tlw eMne should be made with an ap-
prowdllexjble,~uCtiveline. Donotusecopperpip-
iq on floxible lines as copper will work harden and become
bnttlr.
Bo sure dl fuel supplh haw a positivo shutoff valve.
-LINE AND LPG FUEL MAY BE ACClDEMALLY IG
NlED BY UECTRICALSPARKS, rwmtfngthr hazud of
fin or oxp~on, w~ch an muR In mvw. pmona, In-
luy M duth. Whm lnthlllng tho genorator Mt:
Do not tk electrical wiring to fuel lines.
Do not M electrid lines and fuel lines through the same
mpartmont openings.
Koep
rkctrical and fuel lines as far apart as possible.
Phco a physical bonier botwaen fuel lines and elsctn'cal
Pnawinmfer possible.
ll okchical and furl fines mud pass through the mo com-
pubnont qning, make certain that they are physically
sqamtod by rumingthem through indii channels, or
by pusing oach lino through a separate piece of tubing.
DO NOT SMOKE while soruicing batteries. Lead aad bat-
t.ri.s omit a highly oxplaSiv6 hyiimgen gas that can be g-
dod by okctrical arcing or by smoking.
EXHAUST GASES ARE DEADLY
Now sloop in the vshido with the generator set Nnning un-
kvohide is equipped with an operating carbon monoxide
dasctor.
e Provide an adeqde exhaust system to properly expel dis-
charged gases. In exhaust system daily for leaks per
am securo and not warped. Do mi use exhaust gases to
heat a compartment.
e Be sure the unit is well ventilated.
JURY OR DEATH
e Before starting work on the generator set, disconnect batter-
th, maintenance Jz de. Ensure that exhaust manifolds
MOVING PARTS CAN CAUSE SEVERE PERSONAL IN-
ies. This will prevent acadental arcing.
0 Keep your hands away from moving parts.
0 Make sure that fasteners on the generator set are secure.
Tighten supports and clamps. keep guards in position over
fans, drive belts, etc.
0 Do not wear loose clothing or jewelry while working on gen-
erator
sets. Loose clothing and jewelry can become caught
in moving parts. Jewelry
can short out electrical contacts
and cause shock
or burning.
e If adjustment must be made whilethe unit is running, use ex-
treme caution around hot manifolds, moving parts, etc.
ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL
INJURY
OR DEATH
,
Disconnect starb'ng battery before removing protective
shields
or touching electrical equipment Use rubber insula-
tive mats placed on dry woad platforms over floors that are
metal or concrete when around electrical equipment. Do not
wear dampclothing
(particu1arlywetshoes)orallowskinsur-
faces to be damp when handling electrid equipment.
Use extreme caution when working on electrical compo-
nents. High voltages can cause injury or death.
Follow all state and local ekctrical des. Havo dl electrical
installations
perform4 by a qualied licensed electrician.
Tag open switches to avoid accidental closure.
DO NOT CONNECT GENERATOR SET DIRECTLY TO
agescanflowfrom thegeneratorsotintotheutilityline. This
creates a potential for electrocution oc pmporty damage.
Con& only through an apprwed device and after building
nuin switch is 0p.n. Consult an electriaan m regard to
-rgsncyponnr-.
ANY BUILDING ELECTRICAL SYSTEM. Hazard- vdt-
'GENERAL SAFl3Y PRECAUTDNS
~ave afire oxtinguisimr new. ~aintainoxtinguistmr prOp
edy and become familiar with its use. Extbrguishers rated
ABC by the NFPA are appropriate for all appliations. Con-
sdt the Id fire department for the correct type of extin-
guisher for various applications.
Hot coolants under prossure can cause sovom porsolwl in-
juty. DONOTo~aradiatorpre~ruecepwtriktheengine
is running. Stop the engine and carefdly bbd th. systom
pnsue.
Benzene and bad, found in mo gasoline, haw boon idon-
Wkdbysane~eandf~eralagenciesas~ng~r
or reproduCtive toxicity. When checking, draining or adding
gasoline, take care not to ingest, breathe tha fumes, or con-
tact gasdine.
Used engine oils have been identified by 801110 st& or fad-
ed agencies as causing cancer or reproductivb toxicity.
When checkjng or changing engine oil, take cam not to in-
gest. breathe the fumes, or contact used oil.
Remove all unnecessary grease and oil from.th. unit. Accu-
mulated grease and oil can cause overheating and engine
damage, which presents a potential fire hazard.
DO NOTstore anything in the generator compartment such
as oil or gas cans, oily rags, chains, wooden blocks, portable
propane cylinders, etc. A fire could result or tho generator
set operation (cooling,
noise and vibration) may be ad-
versely affected. Keepthe compartment floor doan and dry.
Do not work on this equipment when mentaliy or physically
fatigued. or
after consuming any alcohol or drug that makes
the operation of equipment unsafe.
I
1.
RV-9
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.

Onan NHE Specifications

General

Brand	Onan
Model	NHE
Category	Portable Generator
Language	English