Gehl CTL85 Compact Track Loader Service Manual 917338 – PDF DOWNLOAD

Gehl CTL85 Compact Track Loader Service Manual 917338 – PDF DOWNLOAD

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Gehl CTL85 Compact Track Loader Service Manual 917338 – PDF DOWNLOAD

Language : English
Pages : 331
Downloadable : Yes
File Type : PDF
Size: 20.1 MB

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Gehl CTL85 Compact Track Loader Service Manual 917338 – PDF DOWNLOAD

FOREWORD:
This manual, which is written for engineers who service the machine, describes procedures for disassembly and assembly, inspection and maintenance, and troubleshooting, as well as maintenance reference values and an outline of the specifications. Refer to this manual during daily work to improve your services. Note that the information is subject to change without notice due to design modifications made to the machine from time to time by the manufacturer. Directional terms: front, rear, left, right In this manual, the “front” refers to the end of the machine where the bucket is mounted, while the “rear” refers to the other end where the travel motor is mounted. The “right” or “left” refers to the side viewed by a person sitting in the operator’s seat.
Machine serial number:
The machine serial number is stamped on the identification plate. Be sure to include this number when sending a report or
inquiry or when ordering parts.
Control of manual:
Appoint a person in charge of keeping the manuals up to date in your company and inform us of the person’s name for our
records. Any revisions or additions to this manual will be sent to the person.
Symbols used in this manual:
The symbols used in this manual have the following meanings.

TABLE OF CONTENTS:

Gehl CTL85 Compact Track Loader Service Manual 917338 – PDF DOWNLOAD

SAFETY……………………………………………………………………. 3
Safety alert symbol…………………………………………………….. 4
Safety precautions……………………………………………………… 5
Cautions when working…………………………………………………… 11
SERVICE DATA………………………………………………………………. 13
Dimensional drawing…………………………………………………….. 14
Specifications tables…………………………………………………… 15
Lubricant and Fuel chart………………………………………………… 18
Performance criteria……………………………………………………. 20
Tightening torque………………………………………………………. 28
Hydraulic circuit diagram……………………………………………….. 0
Electrical wiring diagram……………………………………………….. 37
Wire harness diagram……………………………………………………. 40
FUNCTION………………………………………………………………….. 59
HST pump………………………………………………………………. 60
Gear pump……………………………………………………………… 63
Control valve………………………………………………………….. 64
Sub valve……………………………………………………………… 75
Pilot valve……………………………………………………………. 77
Proportional control solenoid valve………………………………………. 78
Cylinders……………………………………………………………… 79
Travel motor…………………………………………………………… 80
Proportional control equipment…………………………………………… 83
Air conditioner system………………………………………………….. 87
DISASSEMBLY AND ASSEMBLY…………………………………………………….109
Service standards……………………………………………………….110
Drive system……………………………………………………………112
Travel system…………………………………………………………..119
Frame………………………………………………………………….122
Control system………………………………………………………….127
Attachments…………………………………………………………….129
Hydraulic tank………………………………………………………….136
HST pump……………………………………………………………….138
Gear pump………………………………………………………………189
Gear pump (High flow)……………………………………………………194
Control valve…………………………………………………………..199
Control valve (High flow)………………………………………………..205
Sub valve………………………………………………………………209
Pilot valve…………………………………………………………….214
Proportional control solenoid valve……………………………………….221
Cylinders………………………………………………………………223
Travel motor……………………………………………………………237
TROUBLESHOOTING…………………………………………………………….259
Overall machine…………………………………………………………261
No operation is possible……………………………………………..261
All systems working, but insufficient power…………………………….264
Lift arm and bucket fail to move or are too slow………………………..266
Traveling………………………………………………………………267
Traveling fails……………………………………………………..267
Right or left travel speed decelerates and the machine veers to one side…..269
Operating temperature of the travel system is too high…………………..270
2nd speed travel is not possible………………………………………272
Lift arm……………………………………………………………….274
Arm cylinder fails…………………………………………………..274
Arm cylinder is slow or the power is insufficient……………………….276
When the control lever is pulled slowly, the lift arm drops once………….278
Spontaneous drop of the lift arm is too large…………………………..279
Bucket…………………………………………………………………280
Bucket cylinder fails to move…………………………………………280
Bucket cylinder is slow or the power is insufficient…………………….282
Spontaneous drop of the bucket is too large…………………………….284
Auxiliary hydraulics…………………………………………………….285
Proportional control is not possible…………………………………..285
HST pump……………………………………………………………….291
Gear pump………………………………………………………………293
Control valve…………………………………………………………..294
SUB valve………………………………………………………………296
Pilot valve…………………………………………………………….297
Proportional control solenoid valve……………………………………….298
Cylinders………………………………………………………………299
Travel motor……………………………………………………………300
Air conditioner…………………………………………………………302
ENGINE……………………………………………………………………. 0