Troy-Bilt 7 HP - Table of Contents

PTO HORSE MODEL
TECHNICAL MANUAL
4/90
TABLE OF CONTENTS
SECTION 1.
General Information 1-1
Safety First 1-1
Quick Reference Repair Index 1-2
SECTION 2.
Transmission Troubleshooting. . . . . . . . . . . . .. 2-1
Forward and Reverse Shifting Problems 2-1
Wheel Speed Shifting Problems 2-2
Wheels
and/or Tines Do Not Turn 2-3
Wheel Shaft Moves To
One Side. . . . . . . . .. 2-4
Noise From Rear
Tiller Bearing. . . . . . . . . .. 2-4
Oil Leaks 2-5
SECTION 3.
Pre-Service Inspection .... . . . . . . . . . . . . . . . .. 3-1
SECTION 4.
Transmission Removal and Installation 4-1
Removal 4-1
Separating/Attaching the PTa Power Unit
and Tiller Attachment Transmissions. . . . .. 4-2
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-3
SECTION 5.
Servicing the PTO Power Unit Transmission 5-1
PTa Power Unit Housing Cover 5-1
Removal 5-1
Inspection 5-2
Installation 5-2
Neutral
Plunger Assembly 5-2
PTa Power Unit Drive Shaft. . . . . . . . . . . . . . .. 5-3
Removal 5-3
Inspection 5-4
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-4
Pinion Shaft
Assembly. . . . . . . . . . . . . . . . . . . .. 5-5
Removal 5-5
Inspection 5-6
Installation 5-7
SECTION 5.
Servicing the PTO Power Unit Transmission
(continued)
Wheel Shaft Assembly 5-8
Removal 5-9
Inspection 5-9
Installation 5-9
Eccentric Shaft Assembly 5-10
Removal 5-10
Inspection 5-10
Installation 5-10
SECTION 6.
Servicing the Tiller Attachment Transmission 6-1
Tiller Drive Shaft Assembly. . . . . . . . . . . . . . . .. 6-1
Removal 6-1
Inspection 6-2
Installation 6-3
Tiller Tine Shaft Assembly '. . . . . . . . . . . . .. 6-3
Removal 6-3
Inspection 6-5
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-5
SECTION 7.
Special Repairs and Procedures 7-1
Installing a New Tines/PTa Clutch Lever
Assembly
7-1
Removing the Existing Assembly 7-1
Installing a New Assembly 7-1
Removing a Rusted Wheel 7-2
Removing the Wheel Shaft
Without
Disassembling the Transmission 7-2
Removal 7-2
Installing the Wheel
Shaft. . . . . . . . . . . . . . .. 7-3
Identifying a Bubbled Wheel Shaft 7-4
Testing
for a Bubbled Wheel Shaft 7-4
Tightening the Castle Nut On the Wheel
Speed Lever 7-4
Index. .. . . .. . . . . . . . . . .. . . . . .. . . . . . . 8-1