Ford Versatile 936, 956, 976 Tractor Service Manual

Brand: Ford New Holland
Equipment Type: Versatile Tractor
Equipment Model: 936, 956, 976
Format: PDF
Language of the Manual: English
Publication: 40075691
Issued Date: January 1991

Versatile Tractor 936, 956, 976 Service Manual: 600 Pages

Table of Content of the 936, 956, 976 Versatile Tractor Manual:

SECTION 1 -SPECIFICATIONS AND DATA . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .1-1
SECTION 2 – ENGINE SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
SECTION 3 -12-SPEED MECHANICAL TRANSMISSION . . . . . . . . . . . . . . . . . .3-1
SECTION 4- 15-SPEED MECHANICAL TRANSMISSION . . . . . . . . . . .. . . . . . . .4-1
SECTION 5 -DRIVE TRAIN . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .5-1
SECTION 6- POWERSHIFT TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
SECTION 7 -HYDRAULICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
SECTION 8 – ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
SECTION 9 – ENVIRONMENTAL SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-1
SECTION 10 -STRUCTURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..10 -1
SECTION 11 -THREE-POINT HITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..11 -1
SECTION 12 -BRAKES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..12 -1
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 -13

This Service Manual for Ford Versatile 936, 956, 976 provides information for the correct servicing and overhaul of the tractors, including derivative models, and is an essential publication for all service personnel carrying out repairs or maintenance on these tractors. We recommend that this manual be available for reference at all times

All Parts are subdivided into Chapters which convey information on general operating principles, detailed inspection and overhaul procedures and, where applicable, specifics on troubleshooting, special tools and specifications of the Versatile 936, 956, 976. Any reference in this manual to right, left, rear, front, top or bottom is as viewed from the operator’s seat.

The information contained herein was correct at the time of going to print All data in Ford Versatile 936, 956, 976 manual is subject to production variations and the illustrations do not necessarily depict tractors to standard build specifications.

Some of the information in this manual is reprinted from the previous Repair Manual as the service information contained herein is equally applicable. First check the appropriate section to see if the model has a specific chapter.

DETAILED TABLE OF CONTENT SECTION 4 -15-SPEED MECHANICAL OF THE Versatile 936, 956, 976 TRACTOR SERVICE MANUAL:

TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
How The System Works . . . . . . . . . . . . . . . . . . . 4-2
Transmission Servicing . . . . . . . . . . . . . . . . . . . .4-3
Transmission Removal . . . . . . . . . . . . . . . . . . . . 4-3
Special Tools and Equipment . . . . . . . . . . . . . .4-3
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Gear Shift Control Housing Replacement . . . 4-5
Shift Shaft and Fork Adjustment . . . . . . . . . . .4-6
Lower Shift Fork Rail Adjustment . . . . . . . . . . 4-7
Transmission Lubrication Pump
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
Transmission Overhaul . . . . . . . . . . . . . . . . . . . . 4-9
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4s9
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Removal of Lines, Hoses and Fittings . . . . . . . 4-9
Removal of Hydraulic Control Valves . . . . . .4-10
Removal of Master and PTO Clutch . . . . . . .4-12
Removal of Master Clutch . . . . . . . . . . . . . . . .4-12
Removal of PTO Clutch . . . . . . . . . . . . . . . . . .4-12
Shift Shafts and Forks Removal . . . . . . . . . . .4-15
First Countershaft Removal . . . . . . . . . . . . . . . 4-15
Third Countershaft Removal . . . . . . . . . . . . . . 4-16
Output Shaft Removal . . . . . . . . . . . . . . . . . . . . 4-18
Second Countershaft Removal . . . . . . . . . . . .4-18
Reverse Idler Gear Assembly Removal . . . . . 4-21
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Reverse Idler Gear Assembly . . . . . . . . . . . . . 4-22
Output Shaft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Second Countershaft. . . . . . . . . . . . . . . . . . . . . 4-23
Third Countershaft. . . . . . . . . . . . . . . . . . . . . . . 4-26
First Countershaft. . . . . . . . . . . . . . . . . . . . . . . . 4-26
Bearings Installation . . . . . . . . . . . . . . . . . . . . . 4-28
Gear Shift Shaft and Fork Installation . . . . . 4-28
Range Shaft Shaft and Fork Installation . . . 4-31
Clutches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Description and Operation . . . . . . . . . . . . . . . . 4-31
Master Clutch and Input Shaft . . . . . . . . . . . . 4-31
Master Clutch Housing . . . . . . . . . . . . . . . . . . . 4-31
PTO Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Clutch Control Valves . . . . . . . . . . . . . . . . . . . . 4-32
Pressure Regulator Valves . . . . . . . . . . . . . . . . 4-32
Master Clutch Modulator Valve . . . . . . . . . . . 4-32
PTO Clutch Modulator Valve . . . . . . . . . . . . . . 4-35
PTO Clutch Housing . . . . . . . . . . . . . . . . . . . . . 4-35
PTO Manifold Cap . . . . . . . . . . . . . . . . . . . . . . .4-35