SERVICE TRANSMISSION
Checking and Adjusting Transmission Tracking
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CAUTION: Avoid injury! Engine exhaust fumes contain carbon monoxide and can cause serious illness or death.
Move the machine to an outside area before running the engine.
Do not run an engine in an enclosed area without adequate ventilation.
•Connect a pipe extension to the engine exhaust pipe to direct the exhaust fumes out of the area.
•Allow fresh outside air into the work area to clear the exhaust fumes out.
NOTE: Check and adjust transmission tracking on a hard, level surface.
Checking Transmission Tracking:
1.Check and adjust motion control linkages. See Checking and Adjusting Motion Control Linkages in the SERVICE TRANSMISSION section.
2.Start engine and run until it reaches normal operating temperature.
3.Move machine to an open, level area for operation.
4.Drive machine forward, pushing both control levers (A) all the way to speed control bar (B).
5.If machine does not drive in a straight line, an adjustment is required.
Adjusting Transmission Tracking:
1.Adjust appropriate control rod swivel (C) located on each side of machine.
•If machine tracks to the right, remove spring pin (D) and rotate left control rod swivel one turn clockwise. Install spring pin (D).
•If machine tracks to the left, remove spring pin (D) and rotate right control rod swivel one turn clockwise. Install spring pin (D).
2.Check transmission tracking again and adjust as required until machine drives in a straight line.
Adjusting Forward and Reverse Speeds
Adjusting Forward Speed:
Park machine safely. (See Parking Safely in the SAFETY section.)
Picture Note: Arrow shows direction of speed control bar (A) movement when decreasing forward speed.
2.Loosen lock lever (B) on speed control bar (A).
•To decrease forward speed, pull speed control bar (A) toward the operator’s station.
•To increase forward speed, push speed control bar (A) forward (away from operator’s station).
3.Tighten lock lever (B).
Adjusting Reverse Speed:
1.Park machine safely. (See Parking Safely in the SAFETY section.)
2.Loosen jam nut (C) on cap screw (D) on each side of machine.
•To decrease reverse speed, turn cap screw (D) counterclockwise.
•To increase reverse speed, turn cap screw (D) clockwise.
3.Tighten jam nut (C) on cap screw (D) on each side of machine.
Adjust Neutral Switch
Picture Note: Side frame removed for picture clarity.
1.Park machine safely. (See Parking Safely in the SAFETY section.)
2.Loosen nuts (A).
3.Adjust neutral switch (B).
•If neutral switch sensitivity needs to be increased, adjust switch (B) down in slots.
•If neutral switch sensitivity needs to be decreased, adjust switch (B) up in slots.
4.Tighten nuts (A).
Service Transmission - 22
