Drexel SL120 Series SwingMast Lift Truck Maintenance Manual_F-602-R1 – PDF DOWNLOAD

Drexel SL120 Series SwingMast Lift Truck Maintenance Manual_F-602-R1 – PDF DOWNLOAD

FILE DETAILS:

Drexel SL120 Series SwingMast Lift Truck Maintenance Manual_F-602-R1 – PDF DOWNLOAD

Language : English
Pages : 108
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Drexel SL120 Series SwingMast Lift Truck Maintenance Manual_F-602-R1 – PDF DOWNLOAD

1 Introduction, Safety, and Specifications
Before You Begin (Please Read) 1-1
Introduction 1-1
Operating Instructions 1-1
Service Training 1-1
Tools Needed 1-1
Replacement Parts 1-1
General Maintenance Instructions 1-2
For your Safety 1-3
Lock Out/Tag Out 1-3
Battery Safety Rules: 1-3
Battery Care and Charging 1-4
Battery Removal and Installation 1-4
Hydraulic System 1-4
Towing the Truck 1-5
General Safety Tips: 1-5
Towing Vehicle Requirements 1-5
Towing a Truck in the Reverse Direction 1-5
Lifting and Blocking the Truck 1-6
Prior to Tilt Cylinder Repair 1-6
Mast Service Precautions 1-7
Lubrication Specifications 1-8
Torque Specifications 1-8
Fluid Capacities 1-8
Cleaning the truck 1-10
ii
2 Preventative Maintenance Inspections
Inspection Introduction 2-1
Inspection Sheets 2-1
Preventative Maintenance Requirements 2-8
Tools or Equipment Required 2-8
Preparing for Inspection or Maintenance 2-9
Performance Testing 2-9
Daily Inspection 2-9
Static Straps 2-10
Power Steering System 2-10
Batteries 2-10
Checking Hydraulic Oil Level 2-10
Slide Assembly and Upper Channel 2-11
Safety Brake Adjustment 2-12
Inspect Tires 2-12
Flat-spotting 2-13
To Extend Tire Life 2-13
50 Hour Inspection 2-13
Pivot Arm Racking 2-13
Mast Operation 2-13
Mast Racking 2-14
Mast Lubrication 2-14
Mast Chain Adjustment 2-14
250 Hour Inspection 2-14
Grease Fittings 2-14
Electrical Connections 2-14
General Mast Inspection 2-15
Mast Chain Wear Inspection 2-15
Mast Rollers/Sheaves 2-16
Mast Uprights 2-16
500 Hour Inspection 2-16
Hydraulic Fluid 2-16
Return Line Filter 2-16
Changing Hydraulic Fluid 2-16
Suction Filter 2-17
Drive Axle Oil 2-17
Steer Axle 2-18
Major Bolt Connections 2-18
1000 Hour Inspection 2-19
Controller Maintenance 2-19
iii
3 Troubleshooting and Corrective Maintenance
Troubleshooting 3-1
Electrical System 3-1
Traction Fuse Opening (1 FU) 3-1
Hydraulic Fuse Opening (2 FU) and Traction Fuse (1 FU) Opening 3-1
Pump Motor Power Fuse Valve Removal 3-2
Loss of Drive Speed 3-3
Hydraulic System 3-4
Lift Circuit 3-4
Control Circuit 3-4
Motor Does Not Operate 3-5
Pressure Loss 3-7
Insufficient Pressure Build-Up 3-7
Relief Valve Set Too Low 3-7
Pump Making Noise 3-7
Pivot Function Inoperative 3-7
Shift Function Inoperative 3-8
Inoperative Pivot and Shift Control Switch 3-8
Hydraulic Leak in the Cover End Section 3-8
Loss of Hydraulic Lift 3-8
Damaged Pump Coupling 3-9
Loss of Hydraulic Lift and Loss of Lift Speed 3-9
Proper Hoist Cylinder Sequencing 3-9
Overload of Hydraulic Hoist Assembly 3-9
Loss of Mast Tilt or Loss of Lift Speed/Drift of Raised Load 3-9
Damaged or Worn Cylinder Seals 3-9
Loss of Power Steering – Motor Inoperative 3-9
Loose or Open Power Cable Connections 3-10
No Voltage at Power Steering Pump Motor 3-10
Slow Steering Response 3-10
Drift of Steering 3-10
Loss of Service Brakes 3-11
Drive Axle 3-11
Loss Of Brakes 3-11
Incorrect Brake Fluid 3-11
Loss Of Brake Fluid 3-11
Soft Brake Pedal 3-11
Ineffective Safety Brake 3-11
Brake/Wheel Overheating 3-11
Oil Coming Out of the Breather 3-12
Noise Under Power Greater Than During Coast 3-12
Noise During Coast Greater Than Under Power 3-12
Noise During Turn (without NoSpin) 3-12
Noise (“stick-slip”) When Shifting from Forward to Reverse 3-12
Noise (“tick-tick-tick”) When Traveling Forward or Reverse at Low Creep Speeds 3-12
Corrective Maintenance 3-13
iv
Mast and Front Load Assembly 3-13
Pivot/Sideshift Assembly 3-13
Tilt Cylinder Inspection 3-13
Crosshead Removal and Installation 3-14
Pivot Arm 3-14
Sideshift 3-15
Load Roller Maintenance 3-16
Mast 3-16
Brake System Service 3-17
Brake Linings 3-17
Master Cylinder 3-18
Brake Adjustment 3-19
Bleeding the Brakes 3-20
Drive Brakes 3-20
Removal of Drive Disc Brakes 3-20
Hydraulic 3-22
Hydraulic Pump Motor 3-22
Hydraulic Control 3-23
Lift Control Valve 3-24
Drive System 3-25
Traction Motor 3-25
Steer Axle 3-27
Electrical 3-29
Line and Pump 3-29
Forward and Reverse 3-29
Dash Panel 3-30
Battery 3-30
Control Panel 3-32
Steering and Pedals 3-35
Pedal Travel 3-35
Power Steering pump 3-35
Steer Orbital 3-37
Accelerator Module 3-43
Potentiometer (Pot) Replacement 3-43
Switch Replacement and Adjustment 3-43
Safety Features 3-43
Seat Switch Removal and Installation 3-43
Pivot/Shift Interlock System 3-44
Function of Circuit Components 3-44
5 Supplier Provided Documentation
Lift Technologies Mast Service Manual 5-1
1200 Series 5-1
Table of Contents – page 5 5-1