Electrical System - Taylor THDC-954 Maintenance Manual

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Introduction. This machine incorporates a

Introduction.

12-volt DC electrica

12-volt DC el

selected by the customer will determine the elec-

trical equipment to be installed in addition to the

standard electri

standard

electrical

Major Components.

Major Components. The 12 volt DC electrical

system consists of two batteries, battery charging

alternator, voltage regulator, starter switch, starter

and starter solenoid.

and starter sol

cal system consists of lights and / or gauges,

switches, circuit

switc

hes, circuit breakers and

The above items are included as standard equip-

ment in the electrical system

ment in the electric

6-1 through 6-16 for location of components and

wiring diagrams.

Batteries. This machine is equipped with two

Batteries.

This machine is equipped with two

industri

industrial type, long li

al type, long life batteries

are perishable and require servicing on a regular

basis.

basis. Batteries that a

Batteries that are properly c

expected to give long trouble-fr

expected to give lo

form the following procedures to maintain the bat-

teries in a serviceable condition.

WARNINGS:

S S

Under no circumstances allow any sparks or

open flames around bat

open flam

Batteries produce a highly flammable gas

which could lead to battery explosion if

ignited.

S S

Never check the battery by placing a metal

object across the battery posts.

CAUTION: Overfilling cells of the battery

CAUTION:

can cause poor performance or early failure.

1. 1. The batter

The battery's

checked monthly or every 250 hours, whichev-

er comes first. t. Add distill

er comes firs

to bring the electrolyte level to 3/8 inch above

the separator plates.

the separator

2. 2. Keep the top of th

Keep the top of the batter

cable clamps clean.

cable clamps c

them with a solution of baking soda and water,

and rinse with clean water.

CAUTION: Do not allow the soda and

CAUTION:

water solution to enter the battery cells.

3. 3. Insp

Inspect the c

ect the cables

bracket r

bracket regularly

egularly. . Replace any dam

This machine incorporates a

ectrical system.

l system. Optional equipm

Optional equipment

cal system

system. .

The 12 volt DC electrical

enoid. The remainder

The remainder of the electri

breakers and access

accessory circuits.

al system. . Refer to Illus

Refer to Illustrations

fe batteries. . The batteries

The batteries

re properly cared for can be

ared for can be

ng trouble-free servic

ee service. e. Per-

es around batteries.

teries. No smokin

No smoking. g.

Overfilling cells of the battery

y's electrol

electrolyte le

yte level s

vel should be

hould be

Add distilled water if necessar

ed water if necessary y

plates. Do not over

Do not overfill.

e battery y , term

, terminal

inals and

lean. When necessar

When necessary y , wash

Do not allow the soda and

ables, clam

, clamps and hold dow

ps and hold down n

Replace any damaged

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parts. Clean and re-

parts.

ent

grease to the terminals and cable clamps

when necessary.

NOTE:

NOTE: A number of devices and applications are

available on

available

sion on

sion

on battery

4. 4. Check t

Check the electr

of the electri- -

becomes discharged repeatedly.

5. 5. If the bat

If the battery i

ory circuits.

tor or alternator circuit is defective.

trations

NOTE: If the truck is to be inoperative or idle for

NOTE:

more than

tery sh

tery should be store

electrolyte level should be checked regularly and

the battery kept fully charged.

Booster Battery Connection Procedure. Acci-

Booster Battery Connection Procedure.

Per-

dentally reversing the battery connections must be

avoided.

avoided. If a booster batter

connect the positive (+) terminal of booster battery

to the positive (+) terminal of discharged battery

and then connect the negative (-) terminal of

booster battery to engine or body ground (-)

(Refer to the decal below). . Never cr

(Refer to the decal below)

the battery terminals.

the battery term

exact reverse order from above.

SMOKING, FLAMES, ARCS, OR SPARKS MAY RESULT IN BATTERY EXPLOSION.

KEEP METAL TOOLS

KEEP METAL TOOLS AWA

BATTERY CONTAINS SULFURIC ACID WHICH WILL BURN SKIN ON CONTACT;

WEAR RUBBER GLOVES AND EYE PROTECTION WHEN WORKING WITH BATTERY.

FLUSH WITH WATER AND SEEK MEDICAL ATTENTION IN CASE OF CONTACT.

WHEN JUMP

WHEN JUMP STARTING

fill.

DO NOT LEAN OVER BATTERY WHEN MAKING CONNECTION.

FIRST CONNECT POSITIVE (+) TERMINAL OF BOOSTER BATTERY TO

POSITIVE (+)

POSITIVE (+) TERMINAL OF

s and

THEN CONNECT NEGATIVE (-) TERMINAL OF BOOSTER BATTERY TO ENGINE OR

, wash

BODY GROUND (-)

BODY GROUND (-). . NEVER CROSS POLARITY OF TERMINA

DISCONNECT CABLES IN EXACT REVERSE ORDER.

Alternator. The standard alternator for the Cum-

Alternator.

mins QSM11-C330 engine is a 100 amp alterna-

tor. . It should be expect

tor

It should be expected to give long, troubl

free service; however, the diodes and transistors

in the alternator circuit are very sensitive and can

be easily destr

be easily destroyed.

aged

Clean and re-apply a li

apply a light coating of

A number of devices and applications are

on the

the commercial

commercial market

market to to deter

battery terminal

terminal connections.

connections.

he electrical s

ical system

ystem if the bat

tery indicator

ndicator illumi

illuminates, the

If the truck is to be inoperative or idle for

than 30

30 days,

days, remove

remove the

the battery.

ould be stored in

d in a cool, dry plac

a cool, dry place. e. The

If a booster battery is to be used, fir

y is to be used, first st

Never cross polarit

inals. Disc

Disconnect cables i

onnect cables in the

DANGER

AWA Y FROM

Y FROM BATTER

BATTERY TERMINALS.

Y TERMINALS.

STARTING: :

TERMINAL OF DISCHARGED BATTER

DISCHARGED BATTERY. Y.

NEVER CROSS POLARITY OF TERMINALS.

The standard alternator for the Cum-

ed to give long, trouble- e-

oyed. The follow

The following precaution

Section 6