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Service Transmission - 22
SERVICE TRANSMISSION
Checking and Adjusting Transmission Tracking
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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.
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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.)
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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
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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).
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.