Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT. Avoid serious burns, allow all parts to cool before working on machine.
4.6MOWER DECK LEVEL ADJUSTMENT
If you are experiencing an uneven cut refer to “TROUBLESHOOTING” section in this manual. Before attempting any deck adjustments ADJUST TIRE PRESSURE - 12 PSI FRONT & 12 PSI REAR The mower blades should be level side to side within 1/8” or less. Check level and adjust as follows:
1.Park machine on flat surface. Stop engine. Stop blades. Engage parking brake. Remove key.
2.Wearing heavy gloves, carefully grasp blades and rotate until both are perpendicular to the machine frame.
3.Check side to side level. Measure distance from the blade tip to the ground. Record this for both blades.
4.The two distances should not differ more than 1/8”. If difference is greater than 1/8”, adjustment will be required.
5.Locate the threaded deck hanger rod on the side of the deck that was measured to be low.
6.Remove hairpin from hanger rod. Rotate CLOCKWISE one to two turns.
7.Recheck side to side level. If 1/8” or less adjustment is complete. If still greater than 1/8” adjust hanger rod as needed.
8.Reinstall hairpin into hanger rod.
BRAKE
ARM
4.7SERVICE BRAKE / PARK BRAKE ADJUSTMENT
1.Park machine on flat surface. Stop engine. Stop blades. Remove key.
NOTE: DO NOT engage parking brake.
2.Locate disc brake on left side of transmission. Move brake arm fully forward in slot. See Figure 4.11.
3.Use a .020” thick feeler gage to adjust the clearance between the brake pad and disc.
4.Insert the .020” feeler gage vertically up at the bottom of the disc and between the disc and pad.
5.Tighten the brake adjustment nut until a light drag is felt on feeler gage. Remove feeler gage.
6.Check disc. With brake released the disc should be free to move.
7.Engage parking brake. Pedal effort should not be excessive. Check brake rod spring. With brake engaged there should be clearance between the coils. See Figure 4.12.
8.Check brake function. Refer to Section
“CHECKING SERVICE BRAKE/PARK BRAKE”.
BRAKE SPRING - CLEARANCE BETWEEN
COILS WITH PARK BRAKE ENGAGED.
FIGURE 4.12
BRAKE DISC
|
| INSERT FEELER | |
ADJUSTMENT | |||
| GAGE BETWEEN | ||
NUT |
| ||
| DISC & PAD | ||
|
| ||
| |||
|
|
|
FIGURE 4.11
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