Advertisement
PRODUCT SPECIFICATIONS
MODEL NUMBER
917.377631
SERIAL NUMBER
DATE OF PURCHASE
HORSEPOWER:
6.75
DISPLACEMENT:
12.56 CU. IN.
GASOLINE CAPACITY/TYPE:
1.25 QUARTS
UNLEADED REGULAR
OIL TYPE (API-SF/SG/SH):
SAE 30 (ABOVE 32°F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY:
20 OZS.
SPARK PLUG(GAP: °030")
CHAMPION RN4C
VALVE CLEARANCE:
INTAKE:
.004 - .008
EXHAUST:
.004 - .008
SOLID STATE IGNITION
AIR GAP:
.0125 IN.
BLADE BOLT TORQUE:
35-40 FT. LBS.
• The model and serial numbers will be found on a decal attached to the rear of the
lawn mower housing.Record
both serial number and date of purchase in space
provided above.
LAWN MOWER
Alwaysobservesafety ruleswhen performing
any maintenance.
TIRES
• Keep tiresfree of gasoline,oil,or insect
control c hemicalswhichcan harm rubber.
• Avoid stumps,stores, deep ruts,sharp
objectsand otherhazardsthat maycause
tiredamage.
BLADE CARE
For best results,mowerblade must be kept
sharp. Replace bentor damaged blades.
TO REMOVE BLADE
• Disconnect spark plugwirefromspark plug
and place wirewhere itcannot come in
contact with spark plug.
•Tum
lawn moweron itsside. Make sureair
filterand carburetor are up.
• Use a woodblockbetween bladeand
mower housingto preventbladefrom
tumingwhen removingblade bolt.
• Protectyourhands withglovesand/orwrap
bladewithheavy cloth.
• Remove blade bolt by turningcounter-
clockwise.
• Remove bladeand attachinghardware
(boll lockwasherand hardenedwasher).
NOTE: Removethe blade adapterand check
the key insidehubof blade adapter. The key
must be in goodcondifion to workproperly.
Replaceadapterifdamaged.
TO REPLACE BLADE
• Posifion the bladeadapteronthe engine
cranksha_ Be sure key in adapterand
crankshaft keywayare aligned.
• Pos'Cdon blade on theblade adapteraligning
the two (2) holesin the bladewith the raised
lugson the adapter.
• Be surethe trailingedge ofblade (opposite
sharpedge) is uptowardthe engine.
• Installthe bladeboltwith the lockwasher
and hardenedwasherintobladeadapter
and crankshaft.
• Use blockof woodbetweenbladeand lawn
mowerhousingand tightenthe bladebolt,
tumingclockwise.
• The recommendedtightening torqueis 35-
40 It. bs.
IMPORTANT: Bladebolt is grade8 heat
treated.
11
Advertisement
