Page 2 - Section 4 - General Maintenance; TABLE OF CONTENTS
2 Section 1 - Introduction . . . . . . . . . . . . . . . . . . . 1-3 1.1 The Manual . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.2 Service And Replacement Parts . . . . . . . . . 1-3 1.3 Product Registration . . . . . . . . . . . . . . . . . . 1-3 1.4 Unauthorized Replacement Parts . . . ...
Page 3 - SERVICE AND REPLACEMENT PARTS; SECTION 1 - INTRODUCTION
1 -3 1.1 THE MANUAL The purpose of this manual is to provide complete instructions for service, maintenance, disassembly, repair, and installation of the mechanical components for the unit. Dealer trained service personnel should use this manual as a supplement to and reminder of the training sessio...
Page 4 - Personal Safety Is Involved!; PRACTICES AND LAWS
2 -4 1.7 PREPARATION Before starting any removal of parts, proper preparation is very important for efficient work. A clean work area at the start of each job will allow you to perform service repairs easily and quickly. To reduce the incidence of misplaced tools or parts, place removed components w...
Page 6 - SECTION 3 - SPECIFICATIONS
3 -6 SECTION 3 - SPECIFICATIONS Model Number 985103 985104 985105 985107 Description 8HP Gear Drive 8HP Gear Drive 8HP Gear Drive 12 HP Gear Drive Brakes Optional, individual, 7" (17.8 cm) x 1.75" (4.4 cm) drum type Steering Manual, optional power steering kit available Turning Radius Zero (...
Page 10 - SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS
4 -10 4.1 CONTROLS AND FEATURES 4.2 FILLING THE FUEL TANK Add fuel to the fuel tank as needed. See your engine manual for the correct type and grade of fuel. Put the unit in an open area. Stop the engine and lock the brake. Clean the fuel cap and the area around the fuel cap to prevent dirt from ent...
Page 11 - GENERAL LUBRICATION; Control Linkage Lubrication; NOTE: There are no grease fittings on the tractor.; Transmission
4 -11 4.3 GENERAL LUBRICATION Control Linkage Lubrication Every 25 hours of operation put a drop of engine oil on the pivots of the throttle lever, the direction control lever, the gear shift lever, the PTO control, and range shift handle. NOTE: There are no grease fittings on the tractor. Transmiss...
Page 13 - PTO BRAKE ADJUSTMENT
4 -13 4.7 PTO BRAKE ADJUSTMENT • Adjust the PTO brake after every 100 hours of operation. • Remove the attachment and lower the rear of the tractor to the ground. Carefully clean the front of the transmission. Remove the quick hitch studs from the transmission and remove the quick hitch casting and ...
Page 14 - SLIP CLUTCH ADJUSTMENT
4 -14 4.8 SLIP CLUTCH ADJUSTMENT • Adjust the slip clutch after every 100 hours of operation. • Remove the attachment and lower the rear of the tractor to the ground. Carefully clean the front of the transmission. Remove the quick hitch studs from the transmission and remove the quick hitch PTO asse...
Page 15 - ENGINE TROUBLESHOOTING
5 -15 5.1 ENGINE TROUBLESHOOTING The following troubleshooting chart is to be used to isolate engine problems and give possible causes and corrective action responses. The troubleshooting key is generic and can be used for several types of engines. Use only those possible causes and corrective actio...
Page 16 - CHECKING ENGINE OIL
5 -16 5.2 CHECKING ENGINE OIL Check the engine oil daily prior to use. IMPORTANT: Never operate the engine with the oil below the low mark on the dipstick. See the engine manual for oil specifications and oil filter service instructions. To check oil level: 1. Move the unit to level location. 2. Cle...
Page 17 - ENGINE MAINTENANCE
5 -17 5.5 ENGINE REMOVAL AND INSTALLATION 1. Remove ground cable from battery. 2. Drain Transmission oil. 3. Turn off fuel at fuel tank. Remove fuel line from fuel pump. 4. Remove the choke cable from carburetor. 5. Remove the throttle cable from the linkage. 6. Separate wiring harness at connector ...
Page 18 - HANDLEBAR ASSEMBLY
6 -18 6.1 HANDLEBAR ASSEMBLY 1. On Swiftamatic tractors, disconnect the cotter pin that holds the Swiftamatic control lever to the shifter weldment. Disconnect the extension spring from the control lever and slide the control lever rearward until it stops against the instrument panel. See Figure 10....
Page 19 - ADJUSTING BRAKES
6 -19 6.2 STEERING BRAKES (OPTIONAL) The steering brake is designed to stop one wheel from rotating. The opposite wheel continues to drive forward and the unit pivots on the stopped wheel. Connect the adjustment bracket to the cam lever arm with a clevis pin. 1. Park the tractor in a level area. Put...
Page 20 - Right Side Installation:
6 -20 Fasten the instruction plate and the brake handle brackets to the rear hitch with the 1/2-13 x 2.00 bolts and 1/2" lock nuts. Right Side Installation: 1. Raise and block the right side of the tractor. 2. Unbolt the tire assembly from the wheel hub and remove. 3. Remove the axle nut, flat w...
Page 21 - Left Side Installation:
6 -21 11. Put a film of grease on the axle splines. Slide the wheel hub on the axle followed by a flat washer and lock nut. Tighten the nut to a torque of 80 ft.-lb. (108 Nm). Tighten the set screw. 12.Mount the tire assembly to the wheel hub. Left Side Installation: 1. Raise and block the left side...
Page 22 - POWER TAKE OFF CONTROL
6 -22 6.4 POWER TAKE OFF CONTROL 1. Thread jam nut onto PTO shaft (supplied). Thread ball joint (supplied) onto PTO shaft until overall length of shaft and ball joint is 17.00 inches, Figure 16. 2. Install rod/ball joint assembly onto tractor, Figure 15. 3. Start unit and test operation of PTO. Test...
Page 23 - TRANSMISSION TROUBLE ANALYSIS; SECTION 7 - DRIVE TRAIN
7 -23 7.1 TRANSMISSION TROUBLE ANALYSIS The following troubleshooting chart is to be used to isolate hydro transmission problems and give possible causes and corrective action responses. The troubleshooting key is generic and can be used for several types of transmissions. Use only those possible ca...
Page 25 - DIFFERENTIAL REMOVAL
7 -25 To avoid damage to the rear pin plate bushing, it is not recommended that planetary system be further disassembled unless definite problems exist. If an unreasonable amount of play is noticed in the system: 1. Inspect orbit gear pins and bushings for wear. 2. Inspect the orbit gear carrier bus...
Page 29 - FUEL SYSTEM TROUBLESHOOTING; SECTION 8 - FUEL SYSTEM
8 -29 8.1 FUEL SYSTEM TROUBLESHOOTING The following troubleshooting chart is to be used to isolate fuel system problems and give possible causes are corrective action responses The troubleshooting key is generic and can be used for several types of transmissions. Use only those possible causes and c...
Page 30 - FUEL SYSTEM CONTAMINATION
8 -30 8.2 FUEL PUMP The impulse style fuel pump is the most commonly used fuel pump. Impulse fuel pumps may either be mounted externally onto the carburetor fuel inlet or remotely mounted. These pumps are connected in the fuel line between the fuel supply and the carburetor or directly to the fuel i...
Page 31 - ELECTRICAL MEASUREMENTS; Multimeter; SECTION 9 - ELECTRICAL
9 -31 9.1 TOOLS There are some specialized tools and test equipment that are needed for electrical repair work. A brief description of these follows.Long or needle nose pliers - used to connect or bend wires and connectors in close quarters.Diagonal cutters - used to cut wires or trim connections.Wi...
Page 32 - SAFETY INTERLOCK SYSTEM
9 -32 Voltage Measurement There are two basic rules to be remembered when using a voltmeter. A voltmeter measures the voltage difference between the test leads and the voltmeter is always connected across the circuit under test. Current Measurement The two rules to remember when measuring current wi...
Page 35 - SOLENOID AND RELAYS
9 -35 gravity. Before reinstalling the battery in the spring, it should always be fully recharged. 9.5 SWITCHES Switches either open a circuit to stop current flow or close and allow current to flow through. A normally open (N.O.) switch prevents current flow until the switch is actuated, completing...
Page 36 - DIODES AND RECTIFIERS; Rectifiers
9 -36 If a relay or solenoid fails to operate, the cause may be either electrical or mechanical. To check electrically, connect a voltmeter across the coil of the device and activate the circuit that operates the relay or solenoid. If the meter indicates no voltage is applied, the cause is in the co...
Page 38 - CONTINUITY DIAGRAM; Key Switch
9 -38 9.10 CONTINUITY DIAGRAM OFF M G S2 B S1 A RUN M G S2 B S1 A START M G S2 B S1 A Key Switch (03602300) DISENGAGED (button in) Handlebar Switch (08828300) 1 2 HAND ON HANDLE 1 2 HAND OFF HANDLE Relay (03042800) 87 87A 86 85 30 NOT ENERGIZED 87 87A 86 85 30 ENERGIZED PTO Switch (08571800) ENAGED ...