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NAVISTAR DriveMaster REPAIR KIT INSTRUCTIONS contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your machine. This document is printable, without restrictions, contains searchable text and bookmarks for easy navigation.
INTRODUCTION ………………………………………………………..3
General Information ………………………………………………3
PRIOR TO SERVICING ……………………………………………….3
REMOVING THE FAN DRIVE………………………………………4
DRIVEMASTER PARTS ……………………………………………..5
Parts Identification ………………………………………………..5
Repair Kits ……………………………………………………………6
DriveMaster Seal Kit (Part #994346) …………………… 6
DriveMaster Super Kit ………………………………………… 7
DriveMaster Friction Disc Kit ………………………………. 8
DriveMaster Friction Liner Kit (Part #994349) ……….. 8
DISASSEMBLING THE FAN DRIVE ……………………………. 9
Tools Required ……………………………………………………… 9
Disassembly ………………………………………………………… 9
Fan Mounting Disc Removal and Inspection …………. 9
Spring Housing/Piston Assembly Removal …………. 10
Air Chamber Seals …………………………………………… 11
Sheave and Sheave Bearings……………………………. 12
TORQUE SPECIFICATIONS ……………………………………… 12
REBUILDING THE FAN DRIVE………………………………….. 13
Sheave Bearings ……………………………………………… 13
Air Cartridge ……………………………………………………. 14
Sheave Replacement ……………………………………….. 14
Spring Housing/Piston Assembly Reassembly ……. 15
Fan Mounting Disc Reassembly ………………………… 16
REINSTALLING THE FAN DRIVE ……………………………… 17
TROUBLESHOOTING ………………………………………………. 18
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