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Operator’s Manual

THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF CATERPILLAR OR IT’S SUCCESSORS. CATERPILLAR AND IT’S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.

TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.

988B Wheel Loader

S/N 50W3777-50W6040

CT-O-988B 50W3

Table Of Contents

Model Views. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3

Safety... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4

Symbol Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7

Operator's Compartment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10

Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 21

Before Starting ............................................................. 26

Starting the Engine ......................................................... 32

After Starting ............................................................... 35

Moving the Machine ........................................................ 39

Parking the Machine ........................................................ 43

Operating Adjustments ...................................................... 45

Operating Techniques ....................................................... 48

Ti re I nflation Information ..................................................... 53

Abnormal Conditions ........................................................ 55

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ENGINE COMPARTMENT

Model Views

HYDRAULIC OIL TANK

OPERATOR'S COMPARTMENT

BUCKET POSITIONER

FUEL TANK

3

ANTI-PIVOT LINK

Operator's Compartment

Gauges

CD ENGINE COOLANT ® Indicates the OPERATING TEMPERATURE of the TEMPERATURE ------ --- engine. The GREEN RANGE is the normal oper-

ating temperature.

f2\ VOLTMETER (f) Indicates the charging condition of the electrical \!:.J --------- ---system. In normal operation, with the engine run­

ning, the needle should read ZERO.

NOTE After starting the engine, the voltmeter should briefly read (+) to indicate the battery was discharged to start the machine.

<D TORQUE CONVERTER OIL ~$ID __ I~dicates the temperature of the torque converter TEMPERATURE --- OIl. The GREEN RANGE is the normal operating

temperature.

CD FUEL PRESSURE ______ (riN--lndicates fuel system pressure. The GREEN ~ RANGE is the normal operating range.

~~ Indicates the engine oil pressure. The GREEN ® ENGINE OIL PRESSURE ___ , __ RANGE IS normal when engine is at FULL LOAD

speed. The WHITE RANGE is normal when the engine is at LOW IDLE.

® SERVICE METER-------@~ __ Indica~es the amount of actual hours of engine operation.

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Indicators

00 LOW indicator LIGHT indicates that the fuel level ~\ in the tank is at 10% or less of capacity.

CD FUEL LEVEL aO --------- -r-" -- HIGH indicator LIGHT indicates that the fuel tank

is FULL, or there is sufficient fuel for a 10 hour work day.

CD LOW HYDRAULIC OIL @ I~dicator.light should come ON if the hydraulic LEVEL INDICATOR ----- ~ --011 level IS at, or below, the ADD COLD mark in

--r- sight gauge.

CD NO COOLANT FLOW _____ @ __ Indicator light should come ON if the coolant flow ~ is stopped.

CD SUPPLEMENTAL STEERING*--~ __ In?icator light will come ON if the machine is oper­ating on supplemental steering.

® LOW ENGINE OIL ______ @ Indicator light will come ON if the engine oil is LEVEL ~ --halfway between the LOW and FULL marks on

~ the crankcase dipstick.

*ATTACHMENT

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Operator's Compartment

Indicators

CD TRANSMISSION FILTER----@)--vyhen thi~ indicator light comes ON during opera-INDICATOR 6 tlon, service the transmission oil filter.

CD AIR FILTER INDICATOR----~_when this indicator light comes ON during opera­W tlon, service the engine air cleaner filter.

CD PILOT FILTER INDICATOR---@ __ VYhen this. indicator. light comes ON during opera-6 tlon, service the pilot hydraulic system oil filter.

CD HYDRAULIC OIL, HIGH ----.. (J)1il __ T~is indicator light s.hould come ON if the hydraulic TEMPERATURE INDICATOR l.!J 011 temperature IS above normal operating

~ temperature.

CD PARKING BRAKE INDICATOR--@~D-_ThiS indic~tor light will come ON when the park­Ing brake IS engaged.

® LOW BRAKE INDICATOR----(ij __ ThiS indicator light will come ON when the accu-" mulator oil pressure drops below normal.

CD IMPLEMENT FILTER INDICATOR-~. ~ ___ VYhen thi~ indicat.or light comes ON during opera-~ tlon, service the Implement hydraulic oil filter.

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