Exmark LAZER Z LZ27KC604, Operator'S Manual

Page: 35 / 48

Maintenance
Figure 16
1. Spring idler pulley 3. Right side idler pulley
(adjustable)
2. Front of unit
Deck Belt Tension
Self-tensioning - No adjustment necessary.
Belt Guide Adjustment
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove the belt shield on the right side of mower
deck.
3. Note belt guide bolted to deck near the shield
support stud and right-hand pulley. Guide should
be 1/8 inch (3.2 mm) away from the belt, with
bolt-end of guide near end of slot (Figure 17).
4. If adjustment is necessary, loosen the bolt securing
the belt guide and make proper adjustment.
Tighten hardware.
Figure 17
1. End of slot 2. Belt guide
Brake Link Adjustment
Check to make sure brake is adjusted properly.
1. Disengage brake lever (lever down).
2. Measure the length of the spring. Measurement
should be 2 3/4 inches (7.0 cm) between washers.
(Figure 18).
3. If adjustment is necessary, tighten the nut directly
below the yoke and loosen the bottom nut
(bottom one of the two tightened together) below
the spring. Turn the nut directly below the washer
(top nut of the two tightened together) until the
correct measurement is obtained. Tighten the two
nuts together and repeat on opposite side of unit.
Turn clockwise to shorten spring length and turn
counterclockwise to lengthen the spring.
Figure 18
1. Lever down
(disengaged) 6. Yoke
2. Lever up (engaged)
7. Lock nut
3. 1/4 to 5/16 inch (6.4 to
7.9 mm) 8. Spring adjustment
4. Collar 9. 2 3/4 inches (7.0 cm)
5. Trunnion roller
Brake Adjustment
1. Check for brake link 2 3/4 inches (7.0 cm)
measurement as described in the Brake Link
Adjustment section.
2. Engage the brake lever (lever up). The space
between the trunnion roller and the rod collar
should measure 1/4 inch to 5/16 inch (6.4–7.9
mm).
3. If adjustment is necessary, loosen nut above the
trunnion roller. Adjust the nyloc nut under the
trunnion roller until distance listed above exists
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