Scotts S1642 Operator's Manual page 40

4. Inspect belt for wear or damage; replace as necessary.
5. Install belt in reverse order of removal.
6. Reinstall belt guard(s) and tighten capscrews securely.
7. Install mower deck and adjust mower belt tension, if
necessary.
Adjusting Mower Belt Tension
c
CAUTION: Avoid injury! Rotating blades are
dangerous. Stop engine, remove key, wait for
all moving parts to stop before servicing
machine.
IMPORTANT: Avoid damage! Spindle brake
engagement must be checked every time the mower
belt tension is adjusted or belt damage may occur.
1. Park machine safely. (See Parking Safely in the Safety
Section.)
2. Place mower deck in lowest setting.
3. Engage PTO drive lever.
A B
D
4. Measure distance from bracket (A) to washer (B) on
tension rod (C).
• Distance (D) should be: 20 - 25 mm (0.78 - 0.98 in)
5. Continue with the following steps, if adjustment is
required.
6. Disengage PTO lever.
SERVICE MOWER
C
F
E
C
F
c
CAUTION: Avoid injury! Spring is under
tension. Do not remove tensioning spring when
adjusting mower belt tension.
7. Remove spring locking pin and washer (E) and
disconnect tension rod from blade drive arm.
8. Loosen lock nut (F).
9. Turn fitting on tension rod clockwise to shorten and
counterclockwise to lengthen effective rod length.
10.Tighten lock nut (F) to 27 N•m (20 lb-ft.).
11.Assemble tension rod and recheck dimension (D).
12.Check spindle brake clearance.
Adjusting Spindle Brake
c
CAUTION: Avoid injury! Rotating blades are
dangerous. Mower blades must stop within 5
seconds after mower is turned off. Check
spindle brake measurement every 25 hours or
once a year (whichever comes first).
IMPORTANT: Avoid damage! Avoid belt damage.
Spindle brake engagement must 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. Place mower deck in lowest setting.
3. Engage PTO drive lever.
4. Check mower belt tension and adjust, if necessary.
5. Remove belt guard.
Service Mower - 36