T roubleshooting
Pr oblem P ossible Cause Cor r ecti v e Action
1. Engine load is ex cessi v e 1. R educe the g round speed.
2. Air cleaner is dir ty .
2. Clean or re place the air cleaner element.
3. Oil lev el in the crankcase is lo w .
3. Add oil to the crankcase .
4. Cooling ns and air passag es for the
engine are plug g ed.
4. R emo v e the obstr uctions from the
cooling ns and air passag es .
5. V ent system lter plug g ed. 5. Inspect v ent lter; re place if dir ty .
6. Dir t in fuel lter . 6. R e place the fuel lter .
Engine loses po w er
7. Dir t, w ater , or stale fuel is in the fuel
system.
7. Contact an A uthorized Ser vice Dealer .
1. Engine load is ex cessi v e 1. R educe the g round speed.
2. Oil lev el in the crankcase is lo w .
2. Add oil to the crankcase .
Engine o v erheats
3. Cooling ns and air passag es for the
engine are plug g ed.
3. R emo v e the obstr uctions from the
cooling ns and air passag es .
1. Tire pressure in dri v e tires not cor rect. 1. Adjust tire pressure in the dri v e tires .
Mo w er pulls left or right (with lev ers fully
forw ard).
2. T rac king needs adjustment. 2. Adjust the trac king b y tur ning tur nbuc kle
on the link the direction that the mo w er
needs to be adjusted to . R otate the
tur nbuc kle in 1/4 tur n increments until
the mo w er trac ks cor rectly .
1. Bypass v alv e is not closed tight. 1. Tighten the b ypass v alv e .
2. Dri v e or pump belt is w or n, loose or
brok en.
2. Chang e the belt.
Mac hine does not dri v e .
3. Dri v e or pump belt is off a pulley . 3. Chang e the belt.
1. Blade(s) not shar p . 1. Shar pen the blade(s).
2. Cutting blade(s) is/are bent.
2. Install new cutting blade(s).
3. Mo w er dec k is not lev el. 3. Lev el mo w er dec k from side-to-side and
front-to-rear .
4. Underside of mo w er is dir ty . 4. Clean the underside of the mo w er .
5. Tire pressure in dri v e tires not cor rect. 5. Adjust tire pressure in the dri v e tires .
6. Blade spindle bent. 6. Contact an A uthorized Ser vice Dealer .
Unev en cutting height.
7. Tips of adjacent blades are at an unev en
cutting height. Blades tips should be ev en
within 3/16 inc h whic h is appro ximately
one blade thic kness .
7. R e place blades , spindles and (or) c hec k
for damag e to mo w er dec k.
1. Cutting blade(s) is/are bent or unbalanced.
1. Install new cutting blade(s).
2. Blade mounting bolt is loose . 2. Tighten the blade mounting bolt.
3. Engine mounting bolts are loose . 3. Tighten the engine mounting bolts .
4. Loose engine pulley , idler pulley , or blade
pulley .
4. Tighten the appropriate pulley .
5. Engine pulley is damag ed. 5. Contact an A uthorized Ser vice Dealer .
6. Blade spindle is bent. 6. Contact an A uthorized Ser vice Dealer .
Abnor mal vibration
7. Belt is damag ed. 7. Install new belt.
1. Dri v e belt is off pulley . 1. Chec k belt for damag e; re place if
necessar y . Install dri v e belt and c hec k
adjusting shafts and belt guides for cor rect
position.
2. Dec k belt is w or n, loose or brok en. 2. Install new dec k belt.
3. Dec k belt is off pulley . 3. Install dec k pulley and c hec k the idler
pulley , idler ar m and spring for cor rect
position and function.
4. Brok en or missing idler spring .
4. R e place the spring .
Blades do not rotate .
5. Damag ed electric clutc h. 5. Contact an A uthorized Ser vice Dealer .
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