JLG 12SP 15SP Service & Maintenance Manual 3120775 – PDF DOWNLOAD
FILE DETAILS:
JLG 12SP 15SP Service & Maintenance Manual 3120775 – PDF DOWNLOAD
Language : English
Pages : G62
Downloadable : Yes
File Type : PDF
TABLE OF CONTENTS:
JLG 12SP 15SP Service & Maintenance Manual 3120775 – PDF DOWNLOAD
Maintenance safety precautions 5
GENERAL 5
HYDRAULIC SYSTEM SAFETY 5
MAINTENANCE 5
effectivity changes 6
SECTION 1 SPECIFICATIONS 11
1 1 CAPACITIES 11
Hydraulic Oil Reservoir 11
1 2 COMPONENT DATA 11
Hydraulic Pump/Electric Motor Assembly 11
Batteries 11
Battery Charger 11
1 3 PERFORMANCE DATA 11
Platform Capacity (Max Rated Load) 11
Machine Speeds 11
Machine Weight (With Standard Platform) 11
Machine Height (Platform Stowed) 11
Maximum Platform Height (Mast Fully Extended) 11
Maximum Working Height (Average Person) 11
Machine Overall Width And Length (Stowed) 11
1 4 TORQUE REQUIREMENTS 11
1 5 LUBRICATION 12
Hydraulic Oil 12
Lubrication Specifications 12
1 6 HYDRAULIC PRESSURE ADJUSTMENT 12
1 7 CYLINDER SPECIFICATIONS 12
1 8 SERIAL NUMBER LOCATIONS 12
SECTION 2 SERVICE PROCEDURES 15
2 1 MACHINE PREPARATION, INSPECTION, AND MAINTENANCE 15
General 15
Preparation, Inspection, and Maintenance 15
Pre-Start Inspection 15
Pre-Delivery Inspection and Frequent Inspection 15
Annual Machine Inspection 15
Preventative Maintenance 15
2 2 PREVENTIVE MAINTENANCE AND INSPECTION SCHEDULE 16
2 3 SERVICING AND MAINTENANCE GUIDELINES 19
General 19
Safety and Workmanship 19
Cleanliness 19
Components Removal and Installation 19
Component Disassembly and Reassembly 19
Pressure-Fit Parts 19
Bearings 19
Gaskets 19
Bolt Usage and Torque Application 20
Hydraulic Lines and Electrical Wiring 20
Hydraulic System 20
Lubrication and Servicing 20
Batteries 20
Mast Chain Inspection Procedure 20
Mast Cable Inspection Procedure 21
2 4 LUBRICATION INFORMATION 22
Hydraulic System 22
Hydraulic Oil 22
Changing Hydraulic Oil 22
Lubrication Specifications 22
2 5 BATTERY CHARGER – ASSEMBLY AND DISASSEMBLY 23
General Information 23
Battery Charger Removal 23
Cover Removal 23
Transformer Replacement 24
Printed Circuit Board Replacement 24
DC Circuit Breaker Replacement 24
AC Circuit Breaker and Voltage Selection Switch Replacement 25
Shunt Assembly, Varistor, and SCR Rectifier Replacement (See Illustration) 25
2 6 HYDRAULIC LIFT PUMP – SERVICING 26
FENNER BRAND PUMP – Brush Replacement 26
Motor Cap/Motor Installation 26
Motor Brush Installation 26
Brush Housing Final Assembly Tips 27
MONARCH BRAND PUMP – Brush Replacement 28
Motor Assembly – Remove/Install – Reference Marks 28
Motor/Brush Cover – Remove/Install 28
Brush Carrier Assembly – Remove/Install 29
Brush Assembly – Remove/Install 29
TANK AND PUMP REMOVAL – (All Pumps) 30
Tank Installation 30
Filter Screen Installation 30
Pump Installation 30
Pressure Adjust Valve Installation 31
Pressure Check Valve Installation 31
2 7 HYDRAULIC LIFT CYLINDER – REMOVAL, INSPECTION AND REBUILD 32
Cylinder Removal 32
Cylinder Disassembly 32
Lift Cylinder Component Inspection 32
Cylinder Assembly 34
Installation 34
2 8 MAST ASSEMBLY AND DISASSEMBLY PROCEDURES 35
Mast Disassembly Procedure 35
Platform Section Removal 35
Mast Section 4 Removal 36
Mast Section 3 Removal 36
Mast Section 2 Removal 36
Mast Section 1 Disassembly (All Masts) 36
2 9 MAST ASSEMBLY 37
Mast Section 1 – Assembly 37
Mast Section 2 – Assembly 37
Mast Section 3 – Assembly 41
Mast Section 4 – Assembly 42
Platform Mounting Section – Assembly 43
2 10 MAST TO BASE FRAME INSTALLATION 43
2 11 MAST CHAINS/CABLES AND SEQUENCING CABLES ADJUSTMENT 44
Mast Chain/Cable Adjustment 44
Sequencing Cable Adjustment 46
2 12 SEQUENCE CABLE REPLACEMENT KIT 46
Remove Old Cable 46
Replacement Cable Installation 46
Clamp Installation (Drum/Socket Type) 47
SECTION 3 TROUBLESHOOTING 49
3 1 General 49
3 2 Troubleshooting Information 49
3 3 Hydraulic Circuit Checks 49
3 4 ELECTRICAL SYSTEM – MULTIMETER BASICS 49
Grounding 49
Backprobing 49
Min/Max 49
Polarity 50
Scale 50
Continuity Measurement Over Long Distances 50
Requirements: 50
Procedure 50
3 5 ELECTRICAL SWITCH TESTING 53
Basic Check 53
Limit Switches 53
Automatic Switches 53
Switch Wiring – Low Side, High Side 53
IMAGES PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.M