Sears 917.255741 Lawn Mower User Manual


 
OuBLESNOOTS G
POSSIBLE CAUSE
POSSIBLE REMEDY
WILL NOT START
Foot Pedal not depressed
Mower Blade Clutch Lever engaged
No gasoline in Fuel Tank, clogged Fuel
Line, or Fuel Filter
Bfown Fuse
Dead Battery
HARD TO START
Choked improperly, flooded Engine
Ctogged Fuel System
Dirty Air Cleaner
Spark Plug dirty or improper gap
Defective Battery
Depress Foot Pedal fully
Disengage Lever (Fig, 10). Be sure Lever is in bottom of slot
Fi{i Tank with Gasoline Check Fuel Line and Car-
buretor (clean if necessary) Replace Fuel Filter
Check for fault and replace Fuse
Recharge or reptace Battery
Place Throttle Control in "FAST" position (Fig t0}
and run starter severa_ times to clear out gas
Remove and clean Tank and tines_ Replace Fuel Filter
Remove and clean (Fig, 28)
Clean, adjust gap or replace (Fig. 30)
Recharge or replace
Defective ignition or loose wiring Check the wiring and Spark Plug
Water in gasoline or old fuel Drain Fuel Tank and Carburetor, use fresh fuel and
replace Spark Plug
Improper Carburetor adjustment Make necessary adjustments (Fig 31 )
ENGINE MISSES OR LACKS POWER
Engine overload Shift to a lower gear {Fig 24) or reduce load
Clogged Fuel Tank or Fuel Filter Remove and clean Tank; replace Fuel Filter
Partially plugged Air Cleaner Remove and clean (Fig 28}
Improper Carburetor adjustment Make necessary adiustments (Fig, 31 t
Dirty Engine Air Screen Clean Air Screen (Fig, 25)
Low oil level or dirty oit Add or change oil (page 14)
Spark Plug dirty, improper gap or wrong type Replace Spark Plug (Fig 30)
Faulty ignition Check Spark Plug and for loose wires
Major Engine overhaul
Drain Gas Tank and Carburetor and refill
Poor compression
Oil in gasoline
ENGINE OVERHEATS
Dirty Air Screen
Low oil level or dirty oil
Dirty Engine
Partially plugged Muffler
Partially plugged Air Cleaner
Stale fuel or improper Carburetor adjustment
NO LIGHTS
No Headlights with Light Switch on and
Engine running
WON'T CHARGE
Blown Fuse
Defective Battery
Defective Diode Assembly
Defective Alternator
Clean Air Screen (Fig, 25)
Add or change oil (page 14)
Clean Engine Cooling Fins (page 16)
Remove and clean Muffler or replace
Remove and clean (Fig 28)
Use fresh fuel and adjust Carburetor (Fig, 31}
Check Fuse, Switch and wire connections Replace
Headlight Bulbs
Check for fault and replace
Replace
Replace
Replace
UNSATISFACTORY MOWER PERFORMANCE/UNEVEN DISTRIBUTION OF CLIPPINGS
Tires not inflated properly
Mower improperly adjusted
Grass high or wet
Incorrect engine RPM's
Excessive wear to outer cutting tip of mower blade
Improper mower blade installetion
Incorrect mower blade
Belt slippage
Check air pressure _n tires (page 6)
Check front to rear and side to side mower adjust-
ment (page 10)
Use a slower ground speed (refer to Mowel Opelating
Instructions, page 1!)
Check engine RPM's (refer to Carburetor Adjustment. page t7_
Replace mower blade
Reinstall with top of blade up
Replace with proper mower blade
Re-adjust mower drive belt (page 19)
STORAGE
I. FUEL SYSTEM
a. Drain fuel tank and carburetor by allowing the engine to
run out of gasoline, NOTE: GASOLINE LEFT _N
YOUR ENGINE WILL LEAVE GUM DEPOSITS CLOG-
GING FUEL SYSTEM.
b Dispose of gasoline if not to be used, NOTE: GASO-
LINE STORED FOR SEVERAL MONTHS LOSES ITS
VOLATILITY (ABILITY TO BURN EFFECTIVELY),
2. ENGINE OIL
Drain (with engine warm) and replace with clean engine oils
(See chart, page 7L
3, CYLINDER
a. Remove Spark Plug
- 21 -
b Pour one ounce of engine oil through spark plug hole
into cylinder
c Turn ignition key to _'START" position foJ a few
seconds to distribute oil
d Replace with new Spark Plug
4, BATTERY
a. Remove battery if tractor is not used regularly during
winter months Store in cool, dry place (above 50°F.).
b Re-charge each month if necessary. NOTE: BATTERIES
NOT IN USE FOR SEVERAL MONTHS AND NOT
KEPT FULLY CHARGED, PRODUCE SULPHATE
DEPOSITS ON PLATES WHICH CANNOT BE RE-
MOVED BY RECHARGING,
5,, GENERAL CLEANING
Clean engine, battery, finish, seat. etc, of all foreign matter