
6.
ENGINE SOMETIMES SKIPS AT HIGHER SPEEDS:
Incorrect
Ignition
Timing ---------------------------------------------------- consult dealer
Carburetor
maladjusted
----------------------------------------------- readjust carburetor
Faulty
spark
plugs
--------------------------------------------------------- check spark plug
condition
and
reset
gap*
Bouncing off seat safety switch -------------------------- slow down on rough terrain
7.
ENGINE OVER HEATED:
Air intake screen or fins clogged ------------------------ clean intake screen and fins
Fuel mixture too lean ------------------------------------------------- readjust carburetor*
Oil level too low or too high ------------------------------------------------ adjust oil level
Improper
ignition
timing ----------------------------------------------------- consult dealer
Running engine too slow ------------------------------------------------ run engine faster
(NOTE: Always mow at full throttle setting.)
8.
ENGINE IDLES POORLY:
Carburetor
maladjustment -------------------------------------------- readjust carburetor
Improper spark plug gap ---------------------------------------- check and re-gap plug*
9.
ENGINE
BACKFIRES:
Carburetor
maladjustment ------------------------------------------ readjust carburetor*
10.
ENGINE RUNS BUT MOWER WON’T MOVE FORWARD:
Drive belt broken or slipping ------------------------------------------- replace drive belt
Shift linkage cable disconnected ----------------------------------------------- reconnect
Transmission
shift
arm
disconnected ----------------------------------------- reconnect
Transmission
oil
low ------------------------------------------------------------------- add oil
Transmission locks in free wheel position --------- put in lock position (see pg. 5)
Hydrostat
oil
filter
plugged ---------------------------------------------------- replace filter
Bad
transmission
-------------------------------------------------------------- consult dealer
Gear
mating
transmission/gearbox
disconnected --------------------- consult dealer
11.
MOWER LOSES POWER OR TRANSMISSIONS OVER HEATS:
Hydrostat transmission oil too low or too high ---------------------------------- add oil
OR
drain
oil
as
needed
Transmission
damage
------------------------------------------------------- consult dealer
Transmission blowing oil out cap ------------------------------------ overfilled or water
contaminated
12.
ENGINE STALLS WHEN BLADES ARE ENGAGED:
Operator not on seat -------------------------------------------------------------- sit on seat
Faulty
interlock
system ------------------------------------------------------ consult dealer
Bad blade spindle bearing -------------------------------------------------- consult dealer
Deck drive belt not properly routed ------------------------------------------------ reroute
Blades blocked by foreign material ----------------------------------- clean under deck
* See engine manual for engine adjustments.
14 P-11456