Bolens / Troy-Bilt Suburban Series Tractor Service & Repair Manual

Table of Contents

SECTION I: GENERAL ............................. 1 -3
General Information ........................................... 1-3
Model / Serial Number Range ........................... 1-4
Torque Values for Cap Screws ........................ 1-6
Engine Specifications .................... (1-7 through 1-12)
Maintenance ........................................................ 1-13
Lubrication Chart ................................................ 1-14
Chassis Specifications .................... (1-7 through 1-12)
SECTION II: CHASSIS .............................. 2-1
Gear Drive Models ............................................. 2-1
Hydrostatic Models ............................................. 2-3
Lift Systems ......................................................... 2-8
Steering Assembly ............................................. 2-9
SECTION III: ENGINE ............................. 3-1
Troubleshooting ................................................. 3-1
Engine Oil Recommendations ........................... 3-2
Engine Maintenance .......................................... 3-3
Engine Oil ............................................................ 3-3
Spark Plugs ......................................................... 3-4
Clean Cylinder Head Deposits .......................... 3-4
Clean Cooling System ........................................ 3-4
SECTION IV: FUEL SYSTEM ................... 4-1
Troubleshooting .................................................. 4-1
Fuel Recommendations .................................... 4-2
Service Air Cleaner ............................................ 4-2
Service Carburetor ............................................. 4-6
Basic Function of a Carburetor ........................ 4-6
SECTION V: DRIVE TRAIN ..................... 5-1
ST Transmission Model Chart ........................... 5-1
Troubleshooting .................................................. 5-2
HYDROSTATIC DRIVE ................................. 5-3
Introduction ........................................................ 5-3
Removal/Installation
Eaton Model 7 ................................................ 5-8
Eaton Model 750/751 .................................... 5-9
GEAR DRIVE ................................................. 5-11
Introduction ..................................................... 5-11
Removal
Peerless 801, 920 and 930 ......................... 5-13
1327C ............................................................ 5-15
Re-installation (All Peerless trans.) ............ 5-16
SECTION VI: ATTACHMENTS ................ 6-1
Mower Decks ....................................................... 6-1
Tiller ...................................................................... 6-8
2-Stage Snowthrower ......................................... 6-11
Single-Stage Snowthrower ................................ 6-14
Power Packer Plus .............................................. 6-17
Grass Reduction System ................................... 6-20
SECTION VII: ELECTRICAL ................... 7-1
Key to Diagrams ......................... (7-1 through 7-2)
Diagrams ..................................... (7-3 through 7-21)
Test Battery ................................. 7-22
Test Ignition Switch .................... 7-23
Test Attachment Drive Switch 7-23
Test 2-Position Light Switch ..... 7-23
Test 3-Position Light Switch ..... 7-24
Test Electric Lift Switch ............. 7-24
Test Plunger Switch ................... 7-24
Test Seat Switch ........................ 7-24
Test Diode ................................... 7-25
Electric Clutch Adjustment ........ 7-25
Attachment Drive Clutch ........... 7-26
Interlock Switches ...................... 7-28
Relay Test ................................... 7-28

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