Product Specifications; Auger Drive Belt; Chain Lubrication Every 25 Hours; Engine Lubrication - Craftsman 536.887990 Operator's Manual

PRODUCT SPECIFICATIONS
HORSEPOWER 9 HP
DISPLACEMENT 19.34cu.in.
GASOLINE 4 quarts
CAPACITY (unleaded)
OIL CAPACITY 5W30
(20 oz capacity)
SPARK PLUG: Champion RJ19LM
(Gap .030 in.) or
equivalent
VALVE CLEARANCE: Intake: .010 In.
Exhaust: .010 In.
SNOW THROWER
AUGER DRIVE BELT
Adjust the auger drive belt after the first
2 to 4 hours of use, again about mid-
season and twice each season thereaf-
ter (See to "Belt Adjustment" in the
Service and Adjustment section).
CHAIN LUBRICATION
EVERY 25 HOURS
1. Position speed selector lever in first
(1) forward gear.
2. Stand the snow blower up on the
auger housing end.
NOTE: When the crank case if
filled with oil, do not leave the
snow blower standing up on the
auger housing for an extended
period of time.
3. Remove the bottom panel.
4. Lubricate the chains with a chain
type lubricant.
5. For storage, wipe the hexshaft and
sprockets with 5W30 motor oil.
NOTE: Clean all excess grease or
oil found on the rubber friction
wheel or the disc drive plate.
CAUTION: Do not allow grease or
oil to contact the rubber friction
wheel or the disc drive plate.
6. Install the bottom panel.
F-021005L
17
Figure 13
AUGER GEAR BOX
The auger gear box is lubricated at the
factory and should not require addition-
al lubrication. If for some reason the
lubricant should leak out, have auger
gear case checked by a competent re-
pairman.
ENGINE
LUBRICATION
Check the crankcase oil level before
starting the engine and after each five
(5) hours of continuous use. See
Figure 14. Add S.A.E. 5W30 motor oil
as needed. Tighten fill cap/dipstick se-
curely each time you check the oil lev-
el.
Oil Fill Cap/Dipstick
@
Figure 14
Change the oil every twenty-five (25)
hours or at least once a year if the
snow thrower is not used for twenty-
five (25) hours.
TO CHANGE ENGINE OIL
1. Position the snow thrower so that
the oil drain plug is at the lowest
point on the engine.
2. Remove the oil drain plug and the
oil fig cap/dipstick. Drain the oil
into a suitable container.