Lull 644B Operation Manual User Manual

Operators and Safety ManualModel644B10709799May 1997ANSI

6SAFETYAlways pick up the load at its center of gravity.Avoid parking on slopes. If it is necessary to park on a slope, set the parking brake and bloc

SAFETY7Additional Safety Instructions:•Maneuver the machine carefully. Do not cause the load to shift or the machine to tip.•Slow down for wet and sli

8INSTRUMENTS AND CONTROLSGAUGESGaugesNote: Gauges and indicator lights operate only when the ignition switch is in the ON position.(1)Engine Water Tem

INSTRUMENTS AND CONTROLS9IGNITION SWITCHIgnition Switch LocationThe ignition switch (1) is located on the dash, near the right side.Ignition Switch Po

10INSTRUMENTS AND CONTROLSPARK BRAKE CONTROLPark Brake ControlPull knob (1) out (toward you) to engage the park brake.Important:Always stop the machin

INSTRUMENTS AND CONTROLS11Neutral LockNeutral LockThe shift selector is equipped with a neutral lock.To lock the shift lever in the NEUTRAL position:1

12INSTRUMENTS AND CONTROLSSTEER MODE SELECTORSteer Mode SelectorThere are three steer modes available on your machine:(1)Oblique Steer (Crab Steer)(2)

INSTRUMENTS AND CONTROLS13Oblique Steer ModeOblique Steer ModeOblique Steer mode, also known as “Crab Steer” mode, enables steering of the front and r

14INSTRUMENTS AND CONTROLSStep 1111. Drive the machine forward a short distance to check wheel tracking.12. Stop the machine and select the desired st

INSTRUMENTS AND CONTROLS15Tilting Attachment DownPushing forward on the front joystick tilts the attachment downwards.Extending the Transfer CarriageM

16INSTRUMENTS AND CONTROLSRaising the BoomPulling back on the rear joystick raises the boom.Extending the BoomMoving the rear joystick to the right ex

INSTRUMENTS AND CONTROLS17Tilting Carriage ControlRotating Tilt Carriage to LeftHolding the button down and moving the front joystick to the left rota

18INSTRUMENTS AND CONTROLSFRAME LEVEL INDICATORFrame Level IndicatorThe Frame Level Indicator shows the lateral (side-to-side) angle of the frame rela

19BEFORE OPERATING THE MACHINECHECK THE EQUIPMENTNote: Before you begin your workday, take time to check () your forklift and have all systems in good

20BEFORE OPERATING THE MACHINEPLAN YOUR WORKBefore you operate, know how and where you will travel, turn and pickup, lift and place loads.Choose a smo

21GENERAL OPERATING PROCEDURESSTARTING PROCEDURESBefore operating, walk completely around the machine. Make certain no one is under it, on it or close

22GENERAL OPERATING PROCEDURESFOLLOW SAFE OPERATING PROCEDURESALWAYS check the load chart mounted in the machine before lifting a load. Lift only with

GENERAL OPERATING PROCEDURES23LIFT THE LOAD SAFELYImportant:ALWAYS check the load chart mounted in the machine before lifting a load. Lift only within

24GENERAL OPERATING PROCEDURESAvoid crossing ditches, curbs or exposed railroad tracks. If crossing cannot be avoided, keep the load as low as possibl

GENERAL OPERATING PROCEDURES257. Use the transfer carriage to place the load directly over the landing point. The transfer carriage allows safe and ea

iCONTENTSSection Page No.INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii

26FLUID & LUBRICANT SPECIFICATIONSGENERAL FLUID AND LUBRICANT SPECIFICATIONS1. Consult engine manufacturer’s Operator’s Manual for additional info

FLUID & LUBRICANT SPECIFICATIONS27TRANSMISSION OIL SPECIFICATIONSThe following table shows approved lubricants and associated temperature ranges f

28SERVICE/LUBRICATION SCHEDULE MODEL 644B-377919 1922 23242423 22 22 22622221222 23248252423 221912182211132632726542627182582613202816171620141115 16

29HOURS OF OPERATION# DESCRIPTION DAILY WEEKLY 20 50 100 200 500 1000 2000 REMARKS1 ENGINE OIL C *CF CF SEE ENGINE MANUAL2 ENGINE OIL FILTER *R R SEE

307919 1922 23242423 22 22 22622221222 23248252423 221912R10201822111326327265426271825826132016171620141115 16 16282115 1028R1021SERVICE/LUBRICATION

31HOURS OF OPERATION# DESCRIPTION DAILY WEEKLY 20 50 100 200 500 1000 2000 REMARKS1 ENGINE OIL C *CF CF SEE ENGINE MANUAL2 ENGINE OIL FILTER *R R SEE

32SAMPLE LOAD CHART05101520253035400123456781091112-1051015202530FEET0123456789METERS-5°0°10°20°30°40°60°50°70°INDICATES REAR OSCILLATION LOCK ENGAGED

Supplement P09836 Origin 1/98 1GENERAL OPERATING PROCEDURES - SUPPLEMENTDRIVE LOCKOUT OVERRIDEImportant: Read and understand the following instruction

2 Supplement P09836 Origin 1/98GENERAL OPERATING PROCEDURES - SUPPLEMENTOperation of the Drive Lockout Override SystemTo operate the Drive Lockout Ove

To: JLG, Gradall, Lull and Sky Trak product owner:If you now own, but ARE NOT the original purchaser of the product covered by this manual, we would l

iiINTRODUCTIONINTRODUCTIONYou are about to operate one of the finest forklifts available on the market today. To ensure that your forklift will provid

JLG Worldwide LocationsCorporate OfficeJLG Industries, Inc.1 JLG DriveMcConnellsburg PA. 17233-9533USAPhone: (717) 485-5161Fax: (717) 485-6417JLG Ind

1SAFETYCAUTION, WARNING, & DANGER: WHAT THEY MEANHazards are identified by the “Safety Alert Symbol” and followed by a signal word: Caution, Warni

2SAFETYREFUELING SAFETYNever smoke near the machine during refueling.Do not permit anyone to be on the machine during refueling.Spilled fuel must be c

SAFETY3OPERATION SAFETYSafe operation is the responsibility of the operator.Improper use of the machine can lead to dangerous situations for yourself,

4SAFETYAlways check clearances under power lines and overhead structures before driving under them.DO NOT operate the machine near energized power lin

SAFETY5Never place loads that exceed scaffold capacity or subject scaffold to unnecessary “shock” loads.Never stack a load on uneven ground.Always be