GEHL Compact Excavators 753Z Parts Manual(918075) – PDF DOWNLOAD

GEHL Compact Excavators 753Z Parts Manual(918075) – PDF DOWNLOAD

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GEHL Compact Excavators 753Z Parts Manual(918075) – PDF DOWNLOAD

Serial Number Range
Engine Tier II Models: AC02516 to AD07209
Engine Tier III Models: AH00646 and up

INTRODUCTION

• When ordering service parts, please specify the correct part number, full description, quantity required, unit model number, and serial number. For your safety and continued proper operation, use only genuine GEHL service parts.
• The model and serial number for this unit can be found on a tag located on a panel at the front of the cabin. “Right” and “left” are determined from a position sitting on the seat and facing forward.
• GEHL Company reserves the right to make changes or improvements in the design or construction of any part of the unit without incurring the obligation to install such changes on any previously delivered units.
• Please refer to the abbreviations table located on this page for the various fastener descriptions. Standard attaching hardware torque values are also provided on the inside back cover. Metric torque values shown in the illustrations are in Newton-meters and can be converted to foot-pounds by multiplying by 0.738.
• Specific Reference Numbers indicating a complete assembly are circled in some illustrations. A small bag, pictured in some illustrations, indicates a seal kit (seals, o-rings, etc.). In the exploded view parts list, additional information may follow the Reference Number.

Serial number breaks are indicated as follows:
• (SN 999 and before) – indicates serial numbers
up to and including 999.
• (SN 1000 – 2000) – indicates serial numbers
between 1000 and 2000.
• (SN 999 and up) – indicates serial numbers
including 999 and after.
Serial number exceptions and inclusion are
indicated as follows:
• (SN 999 and before except 997) – indicates
serial numbers up to and including 999,
EXCEPT 997.
• (SN 1000 – 2000 except 1996 including 997) –
indicates serial numbers between 1000 and
2000, INCLUDING 997 EXCEPT 1996.
• (SN 2001 and up including 1996) – indicates
serial numbers including 2001 and after,
INCLUDING 1996.
Unless otherwise specified, all cap screws nuts,
and bolts are Grade 8.8, cadmium or zinc plated.

TABLE OF CONTENTS:

GEHL Compact Excavators 753Z Parts Manual(918075) – PDF DOWNLOAD

Introduction……………………………………………i
Tool Kit, Service/Test Tools, Paints,
Analysis Kits…………………………………………2
Decals ………………………………………………….3
Filters, Gaskets and Seals ……………………..10
Diesel Engine………………………………………12
Engine Mounts…………………………………….14
Cylinder Head, Valve Cover………………….16
Cylinder Block…………………………………….20
Oil Pan ……………………………………………….21
Seal, Crankshaft…………………………………..22
Camshaft …………………………………………….24
Crankshaft, Piston………………………………..26
Lubrication………………………………………….28
Cooling System……………………………………30
Fuel Injection System …………………………..32
Engine Air Filter ………………………………….34
Intake Manifold …………………………………..36
Exhaust Components / EGR Valve…………38
Exhaust Components ……………………………39
Fuel Supply…………………………………………40
Diesel Tank…………………………………………42
Hydraulic Pump Drive………………………….43
Auto Idle/Throttle ………………………………..44
Throttle Lever ……………………………………..45
Radiator………………………………………………46
Oil Cooler …………………………………………..49
Turntable Drive Unit Installation……………50
Turntable Drive Unit…………………………….52
Drive Motor Installation ……………………….54
Drive Unit (Mag 50) …………………………….55
Drive Unit (Mag 44) …………………………….56
Gear Pump ………………………………………….58
Hydraulic Oil Tank ………………………………59
Hydraulic Pump …………………………………..62
Hydraulic Pump Components………………..63
Control Valve 1……………………………………64
Control Valve 2……………………………………66
Swivel Joint ………………………………………..67
Joysticks……………………………………………..68
Pilot Oil Supply Unit ……………………………70
Pilot Valve, Travel……………………………….71
Auxiliary Hydraulics – Pilot Valve …………73
Dozer Blade Valve……………………………….74
Selection Valve……………………………………75
Proportional Valve (Option) ………………….76
4/3 Valve (Option)……………………………….77
ISO/SAE Valve……………………………………78
Valve Block ………………………………………..79
Manifold Block……………………………………80
Manifold …………………………………………….81
Hydraulic Pump Installation ………………….83
Boom Installation…………………………………84
Boom Cylinder…………………………………….86
Dipper Arm Installation………………………..88
Dipper Arm Cylinder……………………………90
Bucket Installation – Short Dipper Arm…..91
Bucket Installation – Long Dipper Arm
(Option)………………………………………………93
Bucket Cylinder …………………………………..95
Boom Offset Cylinder Installation………….97
Boom Offset Cylinder…………………………..98
Dozer Blade Installation ……………………….99
Dozer Blade Cylinder …………………………100
Auxiliary Hydraulics Installation …………101
Proportional Control (Option) ……………..103
ISO/SAE Valve Installation…………………104
Pilot Pressure Hoses …………………………..105
Hydraulic Tank Hoses ………………………..106
Battery………………………………………………108
Dashboard …………………………………………109
Radio (Option) …………………………………..111
Relay Box …………………………………………112
Horn …………………………………………………114
Boom Work Light………………………………115
Cab Work Lights – Front (Option)………..116
Cab Work Light – Rear (Option) ………….118
Wire Harness – Chassis……………………….119
Wire Harness – Engine………………………..120
Wire Harness – Chassis, Engine……………121
Wire Harness – Armrest ………………………123
Wire Harness – Switch ………………………..124
Wire Harness – Work Light – Front ………126
Wire Harness – Cab…………………………….127
Wire Harness – Proportional Control
(Option)…………………………………………….128
Wire Harness – Oil Control………………….129
Rubber Track …………………………………….130
Steel Track (Option) …………………………..131
Undercarriage, Rubber Track ………………132
Undercarriage, Steel Track (Option) …….134
Track Tensioner, Rubber Track……………136
Track Tensioner, Steel Track (Option)….138
Track Roller, Rubber Track…………………140
Bottom Roller ……………………………………141
Top Roller…………………………………………142
TABLE OF CONTENTS
918075/EP0213 II Printed in U.S.A
Dozer Blade ………………………………………144
Chassis ……………………………………………..145
Lubrication………………………………………..146
Counterweight……………………………………147
Counterweight (Option)………………………149
Engine Hood ……………………………………..150
Tank Cover ……………………………………….153
Partition Wall…………………………………….154
Isolation Mats ……………………………………156
Chassis Cover ……………………………………159
Undercarriage Cover…………………………..161
Boom………………………………………………..162
Dipper Arm – Short…………………………….164
Dipper Arm – Long (Option) ……………….166
Cab Mounting ……………………………………168
Cabin Frame 1……………………………………169
Cabin Frame 2……………………………………172
Cab Door…………………………………………..175
Windshield………………………………………..177
Cab Windows…………………………………….180
Cab Trim…………………………………………..182
Rotating Beacon (Option)……………………184
Mirrors ……………………………………………..185
Operator’s Seat ………………………………….186
Heater……………………………………………….190
Air Conditioning (Option) …………………..192
Air Conditioning Compressor………………193
Air Conditioning Installation (Option) ….195
Index ………………………………………………..199
Numerical Index ………………………………..201
Torque Charts ……………… Inside Back Cover