Craftsman 107.27768 Troubleshooting, Rider will not, Mower cut is, Engaged Excessive mower

Engineruns, but

rider will not

drive.

Rider drive belt slips.

Parking brake will not hold.

Rider steers or handles poorly.

Rider tracks to one side.

Transmission release levers in PUSH 9ositions.

Drive belt slips.

Belt is broken.

Parking brake is not fully released. Pulleys or belt greasy or oily.

Belt stretched or worn.

Parking brake is incorrectly adjusted.

Improper tire inflation.

Steering linkage is loose.

Ground speed adj. knobs not adjusted.

Move levers to DRIVE positions.

Clean or replace belt as necessary.

Replace drive belt. Contact Sears Parts & Repair. Contact Sears Parts & Repair.

Clean as required.

Replace belt. Contact Sears Parts & Repair. See Service & Adjustments Section.

See Maintenance Section.

Check and tighten any loose connections. See SPEED BALANCING ADJUSTMENT

Troubleshooting

PROBLEM

Mower cutting height difficult to adjust.

Mower cut is

uneven.

Mower cut is rough looking.

the Mower

CAUSE		REMEDY
Cutting height crank threads dirty or		Thoroughly		clean and	lubricate cutting height crank
require	lube.	with oil.
Rider tires not inflated equally or properly.		See	Maintenance Section.
Mower	not leveled properly.	See	"Mower	Leveling"	in Service & Adjustments.
Engine	speed too slow.	Always set throttle to FULL when mowing.

Engine stalls easily with mower

engaged.

Excessive mower

vibration.

Mower drive belt

slips or fails to drive.

Ground	speed		too fast.		Decrease	ground speed.
Blades	are dull.				Sharpen	or replace	blades.	See	Maintenance
					Section.
Mower	drive belt slipping			because it is oily	Clean or replace belt as necessary.
or worn.
Blades	not properly fastened to arbors.				See "Check/Replace		Mower	Blades" in
					Maintenance Section.
Engine	speed		too slow.		Always set throttle to FULL when mowing.
Ground	speed		too fast.		Decrease	Ground Speed.
Cutting	height		set too low.		Cut tall grass at maximum cutting				height during first
					3ass.
Underside		of mower deck		dirty.	Remove mower deck and clean underside.
Discharge		chute jamming		with cut grass.	Cut grass	with discharge pointing			toward previously
					cut area.
Blade mounting nuts are loose.					Tighten to 80-90 ft. Ibs. (108-122				N.m.).
Mower blades, arbors, or pulleys are bent.					Check and replace as necessary.
Mower	blades		are out of balance.		Replace or balance		blades.	See	Maintenance
					Section.
Belt installed incorrectly.					Reinstall	correctly.
Idler pulley spring broken or not properly					Repair or replace as needed.
attached.
Mower	drive belt broken.				Replace drive belt.
PTO clutch		out of adjustment.			Adjust PTO clutch.		See Maintenance Section.

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