Skyjack SJ8831 RT, SJ8841 RT Rough Terrain Scissor Lift Service Manual
179 pages · Publication 163762AIA
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What's inside
From the manual's own table of contents: 5 sections, 194 entries. See sample pages (PDF, 880 KB)
Section 1 – Scheduled Maintenance27 topics
- Read and Heed
- 1.1-1 Aerial Platform and Mobile Elevating Work Platform (MEWP) Definition
- 1.1-2 Purpose of Equipment
- 1.1-3 Use of Equipment
- 1.1-5 Service Policy and Warranty
- 1.1-6 Operator Safety Reminders, Warnings and Precautions
- Maintenance and Inspection Schedule
- 1.2-1 Owner’s Annual Inspection Record
- 1.2-2 Replacement Parts
- 1.2-3 Maintenance and Service Safety Tips
- Hydraulic System & Component Maintenance and Repair
- 1.3-1 Maintenance Hints
- Scheduled Maintenance
- 1.4-1 Service Bulletins
- 1.4-2 Maintenance and Inspection
- 1.4-3 Maintenance Instructions
- Owner’s Annual Inspection Record
- Scheduled Maintenance Inspections
- 1.6-1 Electrical
- 1.6-2 Hydraulic
- 1.6-7 Emergency Lowering Access Rod (B)(Model 9241)
- 1.6-8  Electrical and Hydraulic Compartment
- 1.6-9 Fuel and Hydraulic Compartment
- 1.6-10  Engine Compartment
- 1.6-11  Platform Assembly
- 1.6-12 Lifting Mechanism
- 1.6-15 Function Tests
Section 2 – Maintenance Tables and Diagrams9 topics
- Specifications and Features
- Maximum Platform Capacities (Evenly Distributed)
- Floor Loading Pressure
- Tire Specifications
- Fluids
- Torque Specifications
- Torque Specifications for Fasteners (Imperial)
- Torque Specifications for Fasteners (Metric)
- Torque Specifications for Hydraulic Couplings and Hoses
Section 3 – System Component Identification and Schematics33 topics
- Electrical Symbol Chart
- Hydraulic Symbol Chart
- AC Cord Color Code
- Hydraulic Parts List
- Electrical Parts List
- Platform Control Console Diagram with All Options (ANSI/CSA)
- Control Cable Assemblies Diagram
- Outrigger/Hydraulic Generator Control Console Wiring
- Hydraulic Schematic
- Main Manifold Components and Port Identifications
- Hydraulic Manifold Components and Port Identifications
- Main Manifold Wiring Diagram (ANSI/CSA)
- Horn, Light, Beeper Wiring Diagram (ANSI/CSA)
- Powered Extension Platform - Electrical Connection Diagram
- Electrical Panel Diagram - 12 kW Generator Modification (ANSI/CSA)
- 3.16 12 kW Generator Hydraulic and Electric Wiring Schematics (ANSI/CSA)
- Electrical Panel Diagram – Outrigger Option
- Engine Interface Harness Wiring Diagram – Kubota Dual Fuel Engine (DF972 EFI)
- Engine Interface Harness Schematic - Kubota DF 972
- Engine Interface Electrical Schematic – Kubota Dual Fuel Engine (DF972 EFI)
- Telematics Harness Wiring Diagram
- Flashing Light Relay Harness
- Engine Harness Wiring Diagram – Kubota Diesel Engine
- Engine Harness Wiring Diagram – Kubota Dual Fuel Engine
- Electrical Panel Diagram (ANSI/CSA)
- Electrical Panel Diagram with Positive Air Shutoff Option
- Positive Air Shutoff Harness Wiring Diagram – Diesel Engine
- Electrical Schematic – Dual Fuel – No Options (ANSI/CSA)
- Electrical Schematic – Dual Fuel – All Options (ANSI/CSA)
- Electrical Schematic – Diesel – All Options (ANSI/CSA)
- Outrigger Wiring Diagram
- Electrical Panel Diagram – Oil Cooler Option
- Hydraulic Generator Electrical Panel Diagram – Kubota Engine (ANSI/CSA)
Section 4 – Troubleshooting Information65 topics
- Introduction
- Electrical System
- 4.2-1 All Controls Inoperative
- 4.2-2 No Power to Platform (ANSI/CSA)
- 4.2-3 All Functions Inoperative from Platform
- 4.2-4 Engine Does Not Crank from Platform
- 4.2-5 Engine Does Not Crank from Base Controls (Kubota diesel)
- 4.2-6 Engine Cranks but Stops Cranking after a few seconds
- 4.2-7 Glow Plugs Inoperative from Engine Controls
- 4.2-8 Glow Plugs Inoperative from Platform (Additional)
- 4.2-9 Engine Cranks but Does Not Start (Kubota diesel)
- 4.2-10 High Throttle Inoperative
- 4.2-11 Drive and Steer Inoperative (Machines without outriggers option)
- 4.2-12 Drive and Steer Inoperative (machines with outriggers option)
- 4.2-13 Brakes Do Not Release
- 4.2-14 Steer Right Inoperative
- 4.2-15 Steer Left Inoperative
- 4.2-16 Reverse Drive Inoperative
- 4.2-17 Forward Drive Inoperative
- 4.2-18 First Drive Speed and Steering Inoperative
- 4.2-19 Second Drive Speed Inoperative
- 4.2-20 Third Drive Speed Inoperative
- 4.2-21 High/Low Range Speed Inoperative
- 4.2-22 Up Circuit Inoperative from Platform or Base (machines without outriggers)
- 4.2-23 Up Circuit Inoperative from Base
- 4.2-24 Platform Does Not Lift from Platform or Base Controls with Outriggers Retracted (Lift Operates Correctly with Out
- 4.2-25 Platform Does Not Lift from Platform or Base Controls with Outriggers Extended
- 4.2-26 Down Circuit Inoperative from Platform or Base
- 4.2-27 Down Circuit Inoperative from Base
- 4.2-28 Powered Extension Platform Inoperative
- 4.2-29 Powered Extension Platform Does Not Extend
- 4.2-30 Powered Extension Platform Does Not Retract
- 4.2-31 Hydraulic Generator Inoperative
- 4.2-32 Hydraulic Generator Does Not Shut Off from Generator Switch
- 4.2-33 All Outriggers Inoperative (Auto-level and manual)
- 4.2-34 All Outriggers Inoperative (Auto-level and manual from platform controls)
- 4.2-35 All Outriggers Inoperative (Base controls)
- 4.2-36 All Outriggers Inoperative (Auto-level) A: Led Power Indicator Light at Outrigger Control Module (OCM1) Not on Co
- 4.2-37 All Outriggers Inoperative (Auto Level Only) B: Led Power Indicator Light at Outrigger Control Module (OCM1) Flas
- 4.2-38 Left Front Outrigger Inoperative Manually
- 4.2-39 Right Front Outrigger Inoperative Manually
- 4.2-40 Right Rear Outriggers Inoperative Manually
- 4.2-41 Left Rear Outriggers Inoperative Manually
- 4.2-42 Individual Outrigger Functions Inoperative (auto-level)
- 4.2-43 Auto-level Inoperative
- 4.2-44 Auto All Up Inoperative (Retract)
- Hydraulic System
- 4.3-1 All Functions Inoperative
- 4.3-2 Steering Inoperative
- 4.3-3 Steer and First Drive Speed Inoperative
- 4.3-4 Lift and Second Drive Speed Inoperative
- 4.3-5 Drive Inoperative
- 4.3-6 Reverse Drive Inoperative
- 4.3-7 Forward Drive Inoperative
- 4.3-8 Brakes Do Not Release
- 4.3-9 Up Circuit Inoperative
- 4.3-10 Down Circuit Inoperative
- 4.3-11 Powered Extension Platform Inoperative
- 4.3-12 Hydraulic Generator Inoperative
- 4.3-13 All Outriggers Inoperative
- 4.3-14 Left Front Outrigger Inoperative
- 4.3-15 Right Front Outrigger Inoperative
- 4.3-16 Right Rear Outrigger Inoperative
- 4.3-17 Left Rear Outrigger Inoperative
- 4.3-18 Outriggers Drift In
Section 5 – Procedures55 topics
- General
- 5.1-1 Safety and workmanship
- Platform
- 5.2-1 Adjust the gate spring hinge
- Scissors
- 5.3-1 Replace and adjust the end of stroke limit switch (LS4)
- 5.3-2 Replace and adjust the high speed cutout limit switch (LS5)
- Engines
- 5.4-1 Kubota dual fuel (DF972) resistance checks
- 5.4-2 Kubota dual fuel (DF972) engine throttle setting
- 5.4-3 Kubota diesel (D1305) engine throttle setting
- 5.4-4 Replace the fuel filter element (Kubota D1305)
- 5.4-5 Bleed the fuel system of air (Kubota D1305)
- 5.4-6 Replace and adjust the fan belt
- 5.4-7 Replace the air cleaner element
- 5.4-8 Replace the oil filter cartridge
- 5.4-9 Change the oil
- 5.4-10 Check and replenish the radiator coolant level
- 5.4-11 Drain and refill the radiator
- 5.4-12 Engine Parameter Display
- Base
- 5.5-1 Inspect and torque the wheel bolts and nuts
- 5.5-2 Install and torque the wheels
- 5.5-3 Grease points
- 5.5-4 Reconnecting the platform control box for use from the ground
- 5.5-5 Electronic tilt switch setup procedure
- 5.5-6 Adjust the brake caliper
- 5.5-7 Bleed the brake caliper
- 5.5-8 Front axle hub procedure
- Hydraulics
- 5.6-1 Tightening and torque recommendations for hydraulic couplings and hoses
- 5.6-2 Check the holding valve
- 5.6-3 Change the hydraulic oil
- 5.6-4 Set the system pressure
- 5.6-5 Set the lift pressure
- Outriggers
- 5.7-1 Outrigger mechanical limit switch wiring diagram
- 5.7-2 Replace and adjust the outrigger upper limit switch (LS61, LS62, LS63, LS64)
- 5.7-3 Replace and adjust the outrigger lower limit switch (LS65, LS66, LS67, LS68)
- Control Modules Identification and Locations
- 5.8-1 Identification
- EZcal Diagnostic Tool
- 5.9-1 Hand held EZcal calibration and diagnostic tool key functions
- 5.9-2 Flash the controller
- 5.9-3 Outrigger codes
- Auto-leveling Outrigger PC Board Layout
- GP-106 (OCM1) Control Module
- 5.11-1 Outrigger control module (GP-106/OCM1) instructions
- 5.11-2 Auto-leveling outrigger setting and error codes
- 5.11-3 Auto-leveling outrigger error code breakdown
- 5.11-4 Set up the GP-106 outrigger controller
- 5.11-5 GP-106 Outrigger controller pin reference table
- GP-108 Control Module
- 5.12-1 Set up the GP-108 outrigger controller
- 5.12-2 GP-108 Outrigger controller pin reference table
Inside this manual
Real pages from this service manual (179 pages). Open the sample pages (PDF, 879 KB)
- Specifications, page 34: Maximum Platform Capacities (Evenly Distributed)
- Diagram, page 78: 3.29 Positive Air Shutoff Harness Wiring Diagram – Diesel Engine
- Troubleshooting, page 90: Section 4 – Troubleshooting Information
- Color page, page 10: SJ8831 RT, SJ8841 RT
- Color page, page 154: SJ8831 RT, SJ8841 RT
- Foldout diagram (color), page 82: SJ8831 RT, SJ8841 RT
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This manual: Service Manual 163762AIA$69.55
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This is a service manual
Here's how it compares to the other manual types.
This manual
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, 179 pages
Quantity one is the manual described above.
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