Use and Care Manual

4. Remove drive belt.
a. Loosen left side sheaves (B) and (C).
b. Remove mower belt.
5. Inspect belt for wear or damage; replace as necessary.
6. Clean top surface of mower deck and sheaves.
7. Install belt on mower deck as shown. Make sure belt is in the
groove of each sheave.
8. Tighten sheaves to specications.
Specication
Mower Deck Drive Sheave Nuts (122 cm (48 in.) and 137 cm (54 in.) Mower Deck)
— Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 N·m (35 lb-ft)
9. Install belt shields.
10. Install mower deck.
Adjusting Mower Belt Tension (107 cm (42
in.) Mower Deck)
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Move mower engagement (PTO) lever or switch to OFF position.
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3. Loosen nuts (A) and move cable bracket (B) away from the center
of mower deck to tighten belt tension. Move bracket until almost all
slack is out of cable but cable is not too tight. Tighten nuts.
Adjusting Spindle Brakes (107 cm (42 in.)
Mower Deck)
CAUTION: The mower blades should stop in approximately
ve seconds when the mower or PTO is disengaged.
If you believe that your blades may not be stopping in that
period of time, take your machine to your authorized dealer
where they can safely check and service your machine.
IMPORTANT: Avoid belt damage.
Spindle brake engagement should be checked and
corrected every time the mower belt tension is adjusted.
Mower belt tension should be adjusted, if required, before
brakes are adjusted.
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Remove mower deck.
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3. Remove left and right belt shields, and adjust two blade brakes (A).
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4. Measure distance from spindle brake bracket (B) to nut (C) on end
of brake rod.
• Bracket to nut distance should meet specications.
Specication
Spindle Bracket-to-Nut — Distance . . . . . . . . . . . . . . . . . 2 - 3 mm (0.08 - 0.12 in.)
5. If adjustment is required, turn nut (C) on end of brake rod in correct
direction to set brake at proper distance from pulley.
6. Adjust both brakes.
7. Install left and right belt shields.
8. Install mower deck.
Checking for Bent Mower Blades
CAUTION: Blades are sharp. Always wear gloves when
handling blades or working near blades.
Replace blades if defective. Never straighten or weld them.
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Raise mower deck to highest position to access blades.
Service Mower
43