Skyjack SJ643 TH, SJ843 TH Telehandler Service Manual

Name: Skyjack SJ643 TH, SJ843 TH Telehandler Service Manual
Brand: MidWestTech
SKU: 190128AE
Price: 69.73 USD
Availability: InStock

169 pages · Publication 190128AE

$69.73

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Models: SJ643 TH, SJ843 TH
Serial coverage: SJ643 TH & SJ843 TH: 87110001 - 87199999
Manual type: Service Manual
Pages: 169
Publication: 190128AE
Condition: Brand new

Skyjack SJ643 TH, SJ843 TH Telehandler Service Manual, publication 190128AE

What's inside

From the manual's own table of contents: 151 sections, 168 entries. See sample pages (PDF, 681 KB)

Search the contents

Telehandler Definition

Purpose of Equipment

Use of Equipment

Manuals

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

Jobsite Inspection

Hydraulic System & Component Maintenance and Repair

Maintenance Hints

About this Section

Service Bulletins

Maintenance and Inspection

Maintenance Instructions

Scheduled Maintenance Inspections

Function Tests

Show all 151 sections

Table 2.1 Standard & Optional Features

Table 2.2 Specifications & Features

Table 2.3 Tire/Wheel Specifications

Table 2.4 Recommended Fluids/Lubrication

Table 2.5 Pressure Settings

Table 2.6 Standard Hose Numbering System

Table 2.7 Torque Specifications for Fasteners (US)

Table 2.8 Torque Specifications for Fasteners (Metric)

Electrical Symbol Chart

Hydraulic Symbol Chart

Electrical Schematic Parts List

Hydraulic Schematic Parts List

Hydraulic Pump and Return Filter Ports Identification

Steering Control Unit Ports Identification

Service Brake Actuator (Brake Pedal) Ports Identification

Auxiliary Block Ports Identification

Joystick Port Identifications

Optional Reserve Brake Manifold Ports Identification

Major Components Identification and Location

Main Control Valve Port Identification

Enclosed Cab Harness & Wiring Diagram

Glow Plug Harness & Wiring Diagram

Road Lights Harness & Wiring Diagram

Work Lights Harness & Wiring Diagram

Boom Lights Harness & Wiring Diagram

Beacon Light Harness & Wiring Diagram

Console Harness and Layout

Console Harness Wiring Diagram

Engine Harness

Engine Harness Wiring Diagram

Chassis Harness

Chassis Harness Wiring Diagram

Electrical Schematic

Electrical Schematic - Premium Joystick

Hydraulic Schematic

Hydraulic Schematic (Reserve Brake Option)

Hydraulic Schematic - Premium Joystick

Hydraulic Schematic (Reserve Brake Option) - Premium Joystick

Introduction

4.1-1 Engine Will Not Crank

4.1-2 Engine Cranks But Will Not Run

4.1-3 All Electrical Controls Inoperative (park brake will not release, all other dash switches and lights inoperative

4.1-4 Park Brake Will Not Release (transmission remains in neutral regardless of shift lever position)

4.1-5 Park Brake Will Not Release (transmission will engage)

4.1-6 Transmission Will Not Engage (park brake will release)

4.1-7 No Forward Drive

4.1-8 No Reverse Drive

4.1-9 No 1st Speed Range

4.1-10 No 2nd Speed Range

4.1-11 No Boom Up, Front Steer Mode Only

4.1-12 Front Steer Mode Only

4.1-14 No Crab Steer Mode

4.1-15 No Boom Up, Frame Level Operates Normally

4.1-16 No Boom Up and No Frame Level

4.1-17 Frame Will Not Tilt Over 40° With Boom Below 40°

4.1-18 No Frame Level

4.1-19 No Frame Level With Boom Angle Below 40°, Works Above 40°

4.1-20 No Frame Level With Boom Angle Above 40°, Works Below 40°

4.1-21 No Frame Level Left

4.1-22 No Frame Level Right

4.1-23 Function Does Not Switch from Telescope In/Out To Frame Level Left/Right With Frame Level Switch SW5 Depressed or

4.1-24 Function Does Not Switch from Telescope In/Out To Frame Level Left/Right With Frame Level Switch SW5 Depressed

4.1-25 Function Does Not Switch from Boom Raise/Lower To Carriage Tilt Up/Down With Carriage Tilt Switch SW6 Depressed

4.2-1 All Controls inoperative

4.2-2 All Boom Functions Inoperative

4.2-3 No Boom Raise

4.2-4 No Boom Lower

4.2-5 No Telescope Out

4.2-6 No Telescope Retract

4.2-7 No Carriage Tilt Up

4.2-8 No carriage Tilt Down

4.2-9 No Frame Level Right

4.2-10 No Frame Level Left

4.2-11 No Aux. functions

4.2-12 Hard or No Steering

4.2-13 Park Brake will not Release

4.2-14 Park Brake Will Not Engage

4.2-15 Service Brake Will Not Engage

General

Safety and Workmanship

Engine and Transmission

5.1-1 Check Engine Oil Level

5.1-2 Check Coolant Level, Radiator and Hoses

5.1-3 Check Transmission Fluid Level

5.1-4 Check Air Cleaner Restriction and Filter Elements

5.1-5 Check Hydraulic Oil Level

5.1-6 Drain Fuel/Water Separator

5.1-8 Check Parking Brake

5.1-9 Check Tire Pressure and Condition

5.1-10 Check Seat Belt and Mounting Hardware

5.1-11 Check Windshield Washer Fluid Level and Wiper Condition

5.2-1 Grease Axle Pivot Bearings and King Pins

5.2-2 Grease Drive Shaft U-joints and slip joints

5.2-3 Check Fork Pins

5.2-4 Grease Frame Level Pivot Bushings

5.2-5 Grease Boom Pivot and Boom Cylinders

5.2-6 Grease Bottom Front & Top Rear Slide Pads

5.3-1 Check Lug Nut Torque

5.3-2 Check Oil Level in Axle Differential Planetary wheel Ends

5.3-3 Check Oil level in Axle differentials

5.3-4 Replace Engine Oil and Filter

5.3-5 Change Engine Fuel filter and Fuel/Water Separator

5.3-6 Clean Hydraulic Tank Breather

5.3-7 Torque Axle Mounting Bolts

5.3-8 Inspect Boom Chains

5.3-9 Check Boom Slide Pad Clearances

5.3-10 Check Boom Chains Tension

5.3-11 Chain Tension Adjustment

5.4-1 Change Hydraulic Oil Filter

5.4-2 Change Hydraulic Oil and Clean Hydraulic Tank

5.4-3 Change Axle Differential Oil

5.4-4 Change Axle Planetary Oil

5.4-5 Change Engine Coolant

5.4-6 Change Transmission Oil and Filter

5.4-7 Inspect Boom Chains

5.5-1 Boom Hoses and Sheaves Replacement5 topics

5.5-1-1 Remove Hose Sheaves
5.5-1-2 Remove Boom Hoses
5.5-2-2 Inspect Boom Hydraulic Hoses
5.5-2-3 Install Hose Sheaves
5.5-2-4 Install Boom Hydraulic Hoses

5.5-3 Boom Chains Replacement4 topics

5.5-3-1 Remove Extend Chain
5.5-3-2 Install Extend Chain
5.5-3-3 Remove Retract Chain
5.5-3-4 Install Retract Chain

5.5-5 Slide Pads Replacement Procedure2 topics

5.5-5-1 Remove Slide Pads
5.5-5-2 Install Slide Pads

5.5-6 TH Boom Mount Shimming

5.5-7 Hydraulic Pressure Test Procedure6 topics

5.5-7-1 Load Sense Compensator Pressure
5.5-7-2 System Pressure (Compensator Pressure)
5.5-7-3 Steering Pressure
5.5-7-4 Service Brake Pressure
5.5-7-5 Pilot Pressure
5.5-7-6 RV1 Safety Relief Pressure

5.5-8 Hydraulic Pump Testing Procedure

5.5-10 Deutz Fault Codes

5.5-11 Starter Replacement Procedure

5.5-12 Bleeding Hydraulic Circuits

5.6-1 Tilt Switch Replacement

5.6-2 Reprogramming Existing Tilt Switch

5.6-3 Test and Verify Tilt Circuit

Inside this manual

Real pages from this service manual (169 pages). Open the sample pages (PDF, 680 KB)

Sample pages from the Skyjack SJ643 TH, SJ843 TH Telehandler Service Manual: Diagram, Specifications, Troubleshooting, Color page, Color page, Foldout diagram

Diagram, page 73: SKYJACK, Page 72
Specifications, page 87: SKYJACK, Page 86
Troubleshooting, page 105: Section 4 - Troubleshooting Information
Color page, page 156: Telehandler Series
Color page, page 14: Telehandler Series
Foldout diagram, page 76: Telehandler Series

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the SJ643 TH, SJ843 TH are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual 190128AE$69.73

Operator's manuals

Operating Manual 194824AIA · 89 pagesCovers SJ643 TH, SJ843 THSerial: SJ643 TH & SJ843 TH: 87110001 to 87110608$69.83Details

Operating Manual 216201AGA · 105 pagesCovers SJ643 TH, SJ843 THSerial: SJ643 TH: 87110609 - 87112517; SJ843 TH: 87110609 - 87112532$69.91Details

Operating Manual 229075AFA · 107 pagesCovers SJ643 TH, SJ843 THSerial: SJ643 TH: 87112518 & above; SJ843 TH: 87112533 & above$69.91Details

Parts manuals

Parts Manual 190125AJ · 341 pagesCovers SJ643 TH, SJ843 THSerial: SJ643 TH & SJ843 TH: 87110001 - 87199999$69.87Details

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, 169 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).