MTD 54M Operator's Manual page 12

"Frouble
For repairs beyond
thembo
merits listed here,
contact an authorized
service dealer.
Problem
Cause
Remedy
Engineruns erratic
1. Connectand tightenspark plug
boot.
2. Cleanfuel line; fill tank with clean,
fresh gasoline.
3. Clearvent.
4. Drainfueltank. Refillwith
fresh fuel.
5. Referto enginemaintenance
section.
6. Unit runningwith CHOKEapplied. 6. PushCHOKEknobin.
Eng ne overheats
1 Engne o eve Ow 1 F crankcasew th propero
I ....
- 2. Air flow restricted• 2. Removeblowerhousing
, and clean•
Occasional skips
(hesitates) at
high speed
1. Sparkplug bootloose.
2. Blockedfuel line or stale fuel.
3. Ventin gas cap plugged.
4. Wateror dirt in fuel system.
5. Dirtyair cleaner.
1. Sparkpluggap too close. 1. Adjust gap to .030".
1. Tightenblade and adapter.
Balanceblade.
2. See an authorizedservicedealer.
1. Cuttingblade looseor unbalanced.
2. Bentcuttingblade.
Excessive
Vibration
Mower wi I not I
1. Wetgrass 1. Do notmowwhen grassis wet;
mulhc grass
wat unt aterto cut.
2. Excessively high grass. 2. Mowonce ata highcutting height
then mowagain at desiredheight
or makea narrowercuttingpath.
I 3 Du bade
• • 3. Sharpenor replaceblade.
Unevencut
1. Dullblade. 1. Sharpenor replaceblade.
12