Skyjack SJ8831 RT, SJ8841 RT Rough Terrain Scissor Lift Service Manual

Name: Skyjack SJ8831 RT, SJ8841 RT Rough Terrain Scissor Lift Service Manual
Brand: MidWestTech
SKU: 157945AF
Price: 69.69 USD
Availability: InStock

173 pages · Publication 157945AF

$69.69

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Models

SJ8831 RT, SJ8841 RT

Serial coverage

SJ8831 RT: 36000233 - 36000275
SJ8841 RT: 40000728 - 40001134

Manual type

Service Manual

Pages

173

Publication

157945AF

Condition

Brand new

Skyjack SJ8831 RT, SJ8841 RT Rough Terrain Scissor Lift Service Manual, publication 157945AF

What's inside

From the manual's own table of contents: 5 sections, 196 entries. See sample pages (PDF, 501 KB)

Search the contents

Section 1 - Schedule Maintenance27 topics

Operator’s Responsibility for Maintenance
- Aerial Platform Definition
- Purpose of Equipment
- Use of Equipment
- Manuals
- Operating
- Service & Maintenance
- 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
- Mainenance 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 schematics37 topics

Charts
- Hydraulic Symbol Chart
- Electrical Symbol Chart
- Wire Number and Color Code
Parts List
- Hydraulic Parts List
- Electrical Parts List
- Platform Control Console Diagram with All Options (ANSI/CSA)
Diagrams and Schematics
- Control Cable Assemblies Diagram
- Outrigger/Hydraulic Generator Control Console Wiring
- Main Manifold Components & Port Identifications
- Hydraulic Manifold Components & Port Identifications
- 3.10a Hydraulic Schematic
- 3.10b Hydraulic Schematic
- Main Manifold Wiring Diagram (ANSI/CSA)
- Horn, Light, Beeper Wiring Diagram (ANSI/CSA)
- Powered Extension Platform - Electrical Connection Diagram
- Electrical Panel Diagram - 12kW Generator Modification (ANSI/CSA)
- 3.15 12kW Generator Hydraulic and Electric Wiring Schematics (ANSI/CSA)
- Electrical Inverter Wiring Diagram
- Flasing Light Relay Harness
- Engine Harness Wiring Diagram - Kubota Diesel Engine
- Engine Harness Wiring Diagram - GM Dual Fuel Engine
- Engine Harness Wiring Diagram - Kubota Dual Fuel Engine
- Electrical Panel Diagram (ANSI/CSA)
- Electrical Schematic - Kubota Diesel Engine All Options (ANSI/CSA)
- Electrical Schematic - GM Dual Fuel Engine No Options (ANSI/CSA)
- Electrical Schematic - GM Dual Fuel Engine All Options (ANSI/CSA)
- Electrical Schematic - Kubota Dual Fuel Engine No Options (ANSI/CSA)
- Electrical Schematic - Kubota Dual Fuel Engine All Options (ANSI/CSA)
- Interface & Engine Electrical Schematic - GM Dual Fuel Engine
- Electrical Panel Diagram - Outrigger Option
- Outrigger Wiring Diagram
- Electrical Panel Diagram - Oil Cooler Option
- Hydraulic Generator Electrical Panel Diagram - Kubota Engine (ANSI/CSA)
- Introduction

Section 4 - Troubleshooting Information72 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 Cranks but Stops Cranking after a few seconds
- 4.1-9 Glow Plugs Inoperative from Engine Controls
- 4.1-10 Glow Plugs Inoperative from Platform (Additional)
- 4.1-11 Engine Cranks but will Not Start (Kubota diesel)
- 4.1-12 Engine Cranks but will Not Start (GM dual fuel)
- 4.1-13 Mid Throttle Inoperative (on demand) (GM Dual Fuel)
- 4.1-14 High Throttle Inoperative
- 4.1-15 High Throttle Inoperative (additional for GM dual fuel)
- 4.1-16 Drive and Steer Inoperative (Machines without outriggers option)
- 4.1-17 Drive and Steer Inoperative (machines with outriggers option)
- 4.1-18 Brakes will Not Release
- 4.1-19 Steer Right Inoperative
- 4.1-20 Steer Left Inoperative
- 4.1-21 Reverse Drive Inoperative
- 4.1-22 Forward Drive Inoperative
- 4.1-23 First Drive Speed and Steering Inoperative
- 4.1-24 Second Drive Speed Inoperative
- 4.1-25 Third Drive Speed Inoperative
- 4.1-26 High/Low Range Speed Inoperative
- 4.1-27 Up Circuit Inoperative from Platform or Base (machines without outriggers)
- 4.1-28 Up Circuit Inoperative from Base
- 4.1-29 Platform will Not Lift from Platform or Base Controls with Outriggers Retracted (lift operates correctly with out
- 4.1-30 Platform will Not Lift from Platform or Base Controls with Outriggers Extended
- 4.1-31 Down Circuit Inoperative from Platform or Base
- 4.1-32 Down Circuit Inoperative from Base
- 4.1-33 Powered Extension Platform Inoperative
- 4.1-34 Powered Extension Platform will Not Extend
- 4.1-35 Powered Extension Platform will Not Retract
- 4.1-36 Hydraulic Generator Inoperative
- 4.1-37 Hydraulic Generator will Not Shut Off from Generator Switch
- 4.1-38 All Outriggers Inoperative (Auto-level and manual)
- 4.1-39 All Outriggers Inoperative (Auto-level and manual from platform controls)
- 4.1-40 All Outriggers Inoperative (Base controls)
- 4.1-41 All Outriggers Inoperative (Auto-level) A: Led Power Indicator Light at Outrigger Control Module (OCM1) Not on Co
- 4.1-42 All Outriggers Inoperative (Auto Level Only) B: Led Power Indicator Light at Outrigger Control Module (OCM1) Flas
- 4.1-43 Left Front Outrigger Inoperative Manually
- 4.1-44 Right Front Outrigger Inoperative Manually
- 4.1-45 Right Rear Outriggers Inoperative Manually
- 4.1-46 Left Rear Outriggers Inoperative Manually
- 4.1-47 Individual Outrigger Functions Inoperative (auto-level)
- 4.1-48 Auto-level Inoperative
- 4.1-49 Auto All Up Inoperative (Retract)
Hydraulic System
- 4.2-1 All Functions Inoperative
- 4.2-2 Steering Inoperative
- 4.2-3 Steer and First Drive Speed Inoperative
- 4.2-4 Lift and 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 (Internal Brake)
- 4.2-11 Brake Drags or Runs Hot (Internal Brake)
- 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 - Procedures48 topics

General
- Safety and workmanship
Platform
- 5.1-1 Adjust the gate spring hinge
- 5.1-2 Replace and adjust the high speed cutout limit switch (LS5)
Scissors
- 5.2-1 Replace and adjust the end of stroke limit switch (LS4)
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 Electronic tilt switch setup procedure
- 5.4-4 Front axle hub procedure
Hydraulics
- 5.5-1 Hydraulic system and brake adjustment procedure (if equipped)
- 5.5-2 Brake assembly and disassembly (if equipped)
- 5.5-3 Multiple disc brake assembly diagram
- 5.5-4 Test the holding torque
- 5.5-5 Adjust the system lift and pressure
- 5.5-6 Change the 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)
Control Modules Identification
- 5.7-1 Identification
EZcal Diagnostic Tool
- 5.8-1 Hand held calibration/diagnostic tool key functions
- 5.8-2 Flash the controller
- 5.8-3 Outrigger codes
Auto-leveling Outrigger PC Board
- 5.9-1 Auto-leveling outrigger PC board layout
GP-106 (OCM1) Control Module
- 5.10-1 Outrigger control module (GP-106/OCM1) instructions
- 5.10-2 Auto-leveling outrigger setting and error codes
- 5.10-3 Auto-leveling outrigger error code breakdown
- 5.10-4 Set up the GP-106 outrigger controller
- 5.10-5 GP-106 Outrigger controller pin reference table
GP-108 Control Module
- 5.11-1 Set up the GP-108 outrigger controller
- 5.11-2 GP-108 Outrigger controller pin reference table

Inside this manual

Real pages from this service manual (173 pages). Open the sample pages (PDF, 500 KB)

Sample pages from the Skyjack SJ8831 RT, SJ8841 RT Rough Terrain Scissor Lift Service Manual: Specifications, Diagram, Troubleshooting, Color page, Color page, Foldout diagram (color)

Specifications, page 45: SKYJACK, Page 44
Diagram, page 77: SKYJACK, Page 76
Troubleshooting, page 163: SKYJACK, Page 162
Color page, page 51: SKYJACK, Page 50
Color page, page 94: Full-Size Rough Terrain Series
Foldout diagram (color), page 71: SKYJACK, Page 70

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, 173 pages

Quantity one is the manual described above.

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Ships in 1 business day.

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Other editions and similar models

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).