Skyjack SJ7127 RT, SJ7135 RT Rough Terrain Scissor Lift Service Manual
167 pages · Publication 157941AF
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What's inside
From the manual's own table of contents: 5 sections, 195 entries. See sample pages (PDF, 492 KB)
Section 1 - Scheduled Maintenance31 topics
- Operator’s Responsibility for Maintenance
- Aerial Platform and Mobile Elevating Work Platform Definition
- Purpose of Equipment
- Use of Equipment
- Manuals
- Operating
- Service & Maintenance
- Operator
- Service Policy and Warranty
- Optional Accessories
- Scope of this Manual
- Operator Safety Reminders
- Electrocution Hazard
- Safety Precautions
- Maintenance and Inspection Schedule
- Owner’s Annual Inspection Record
- Replacement Parts
- Maintenance and Service Safety Tips
- Hydraulic System & Component Maintenance and Repair
- Maintenance Hints
- Railing Maintenance and Repair
- Service and Maintenance
- About this Section
- Service Bulletins
- Maintenance and Inspection
- Maintenance Instructions
- Table 1.1 Owner’s Annual Inspection Record
- Table 1.2 Maintenance and Inspection Checklist
- Scheduled Maintenance
- Scheduled Maintenance Inspections
- Function Tests
Section 2 - Maintenance Tables and Diagrams7 topics
- Table 2.1 Specifications and Features
- Table 2.2a Maximum Platform Capacities (Evenly Distributed)
- Table 2.2b Maximum Platform Capacities (Evenly Distributed w/ Optional #7 Tires)
- Table 2.3 Tire Specifications
- Table 2.4 Floor Loading Pressure
- Table 2.5 Rough Terrain Scissor Fluids
- Table 2.6 Torque Specifications
Section 3 - System Component Identification and Schematics30 topics
- Charts
- Hydraulic Symbol Chart
- Electrical Symbol Chart
- Parts List
- Hydraulic Component Parts List
- Electrical Component Parts List
- Diagrams and Schematics
- Platform Control Console Diagram - All Options (ANSI/CSA)
- Control Cable Assemblies Diagram
- Outrigger/Hydraulic Generator Control Console Wiring Diagram
- Electrical Inverter Wiring Diagram
- 3.9a Hydraulic Schematic
- 3.9b Hydraulic Schematic
- Hydraulic Manifold Components and Port Identifications
- Main Manifold / Cabinet Harness Wiring Diagram (ANSI/CSA)
- Electrical Panel Wiring Diagram (ANSI/CSA)
- Electrical Panel Harnesses Wiring Diagram
- Horn, Light & Beeper Wiring Diagram (ANSI/CSA)
- Powered Extension Related Assemblies & Electrical Wiring Diagram
- Lift Cylinder Holding Valve Harness Connection Diagram
- Engine Harness Wiring Diagram - Diesel Fuel System (Kubota Engine)
- Engine Harness Wiring Diagram - Dual Fuel System (Kubota Engine)
- Oil Cooler Electrical Panel Diagram
- Hydraulic Generator Electrical Panel Diagram
- 3.21 12kW Generator Electrical Panel Diagram - Modification (Model 71xx)
- 3.22 12kW Generator Hydraulic and Electric Wiring Schematics (Model 71xx)
- Outrigger Option Electrical Diagram (ANSI/CSA)
- Flashing Light Relay Harness
- Electrical Schematic - Kubota Diesel Engine All Options (ANSI/CSA)
- Electrical Schematic - Kubota Dual Fuel Engine All Options (ANSI/CSA)
Section 4 - Troubleshooting Information75 topics
- Electrical System
- 4.1-1 All Controls Inoperative
- 4.1-2 No Power to Platform (ANSI/CSA)
- 4.1-3 All Functions Inoperative from Platform
- 4.1-4 Engine will Not Crank from Platform
- 4.1-5 Engine will Not Crank from Platform Controls (Additional for GM Dual Fuel)
- 4.1-6 Engine will Not Crank from Base Controls (GM dual fuel)
- 4.1-7 Engine will Not Crank from Base Controls (Kubota diesel)
- 4.1-8 Engine will Not Crank from Base Controls (Kubota dual fuel)
- 4.1-9 Engine Cranks but Stops Cranking after a few seconds
- 4.1-10 Glow Plugs Inoperative from Engine Controls
- 4.1-11 Glow Plugs Inoperative from Platform (Additional)
- 4.1-12 Engine Cranks but will Not Start (Kubota diesel)
- 4.1-13 Engine Cranks but will Not Start (Kubota dual fuel)
- 4.1-14 Engine Cranks but will Not Start (GM dual fuel)
- 4.1-15 Mid Throttle Inoperative (on demand) (GM Dual Fuel)
- 4.1-16 High Throttle on demand Inoperative (Kubota Dual Fuel)
- 4.1-17 High Throttle Inoperative
- 4.1-18 High Throttle Inoperative (additional for GM dual fuel)
- 4.1-19 Drive and Steer Inoperative (Machines without outriggers option)
- 4.1-20 Drive and Steer Inoperative (machines with outriggers option)
- 4.1-21 Brakes will Not Release
- 4.1-22 Steer Right Inoperative
- 4.1-23 Steer Left Inoperative
- 4.1-24 Reverse Drive Inoperative
- 4.1-25 Forward Drive Inoperative
- 4.1-26 First Drive Speed and Steering Inoperative
- 4.1-27 Second Drive Speed Inoperative
- 4.1-28 Third Drive Speed Inoperative
- 4.1-29 High/Low Range Speed Inoperative
- 4.1-30 Up Circuit Inoperative from Platform or Base (machines without outriggers)
- 4.1-31 Up Circuit Inoperative from Base (ANSI/CSA)
- 4.1-32 Platform will Not Lift from Platform or Base Controls with Outriggers Retracted
- 4.1-33 Platform will Not Lift from Platform or Base Controls with Outriggers Extended
- 4.1-34 Down Circuit Inoperative from Platform or Base
- 4.1-35 Down Circuit Inoperative from Base
- 4.1-36 Powered Extension Platform Inoperative
- 4.1-37 Powered Extension Platform will Not Extend
- 4.1-38 Powered Extension Platform will Not Retract
- 4.1-39 Hydraulic Generator Inoperative
- 4.1-40 Hydraulic Generator will Not Shut Off from Generator Switch
- 4.1-41 All Outriggers Inoperative (auto-level and manual)
- 4.1-42 All Outriggers Inoperative (auto-level and manual from platform controls)
- 4.1-43 All Outriggers Inoperative (base controls)
- 4.1-44 All Outriggers Inoperative (auto-level) A: Led Power Indicator Light at Outrigger Control Module OCM1 Not On Cons
- 4.1-45 All Outriggers Inoperative (Auto Level) B: Led Power Indicator Light at Outrigger Control Module (OCM1) Flashing
- 4.1-46 Left Front Outrigger Inoperative Manually
- 4.1-47 Right Front Outrigger Inoperative Manually
- 4.1-48 Right Rear Outriggers Inoperative Manually
- 4.1-49 Left Rear Outriggers Inoperative Manually
- 4.1-50 Individual Outrigger Functions Inoperative (auto-level)
- 4.1-51 Auto-level Inoperative
- 4.1-52 Auto All Up Inoperative (Retract)
- Hydraulic System
- 4.2-1 All Functions Inoperative
- 4.2-2 Steering Inoperative
- 4.2-3 Lift, Steer and First Drive Speed Inoperative
- 4.2-4 Second Drive Speed Inoperative
- 4.2-5 Drive Inoperative
- 4.2-6 Reverse Drive Inoperative
- 4.2-7 Forward Drive Inoperative
- 4.2-8 Brakes will Not Release
- 4.2-9 Brakes will Not Release (internal brake)
- 4.2-10 Brake Slips
- 4.2-11 Brake Drags or Runs Hot
- 4.2-12 Up Circuit Inoperative
- 4.2-13 Down Circuit Inoperative
- 4.2-14 Powered Extension Platform Inoperative
- 4.2-15 Hydraulic Generator Inoperative
- 4.2-16 All Outriggers Inoperative
- 4.2-17 Left Front Outrigger Inoperative
- 4.2-18 Right Front Outrigger Inoperative
- 4.2-19 Right Rear Outrigger Inoperative
- 4.2-20 Left Rear Outrigger Inoperative
- 4.2-21 Outriggers Drift In
Section 5 - Procedures47 topics
- General
- Safety and workmanship
- Platform
- 5.1-1 Adjust the gate spring hinge
- 5.1-2 Platform mounting hardware
- Scissors
- 5.2-1 Replace and adjust the high speed cutout (LS5) and end of stroke (LS4) limit switch
- Engines
- 5.3-1 Kubota dual fuel (DF972) resistance checks
- 5.3-2 ECU Pin reference chart (GM)
- 5.3-3 Throttle actuator (GM)
- 5.3-4 GM map and IAT sensor (GM)
- 5.3-5 Engine coolant temperature sensor (GM)
- 5.3-6 LPG temperature sensor (GM)
- 5.3-7 Fuse block layout (GM)
- Base
- 5.4-1 Inspect and torque the wheel bolts and nuts
- 5.4-2 Install and torque the wheels
- 5.4-3 Tilt switch setup
- 5.4-4 Brake assembly and disassembly (if equipped)
- 5.4-5 Multiple disc brake assembly diagram
- 5.4-6 Front axle hub procedure
- Hydraulics
- 5.5-1 Hydraulic system and brake adjustment procedure (if equipped)
- 5.5-2 Holding torque test procedure
- 5.5-3 Adjust the system pressure
- 5.5-4 Change hydraulic oil
- Outriggers
- 5.6-1 Outrigger mechanical limit switch wiring diagram
- 5.6-2 Replace and adjust the outrigger upper limit switch (LS61, LS62, LS63, LS64)
- 5.6-3 Replace and adjust the outrigger lower limit switch (LS65, LS66, LS67, LS68)
- EZcal Diagnostic Tool
- 5.7-1 Hand held EZcal calibration and diagnostic tool key functions
- 5.7-2 Flash the controller
- 5.7-3 Outrigger codes
- Auto-leveling outrigger PC board
- 5.8-1 Auto-leveling outrigger PC board layout
- GP-106 (OCM1) Control Module
- 5.9-1 Outrigger control module (GP-106/OCM1) instructions
- 5.9-2 Auto-leveling outrigger setting and error codes
- 5.9-3 Auto-leveling outrigger error code breakdown
- 5.9-4 Set up the GP-106 outrigger controller
- 5.9-5 GP-106 outrigger controller pin reference table
- GP-108 Control Module
- 5.10-1 Set up the GP-108 outrigger controller
- 5.10-2 GP-108 Outrigger controller pin reference table
- 5.10-3 LED Error codes
Inside this manual
Real pages from this service manual (167 pages). Open the sample pages (PDF, 491 KB)
- Specifications, page 47: SKYJACK, Page 46
- Diagram, page 67: SKYJACK, Page 66
- Troubleshooting, page 157: SKYJACK, Page 156
- Color page, page 53: SKYJACK, Page 52
- Color page, page 88: Mid-Size Rough Terrain
- Foldout diagram (color), page 68: Mid-Size Rough Terrain
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the SJ7127 RT, SJ7135 RT are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 167 pages
Quantity one is the manual described above.
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Other editions and similar models
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