Sears 143.999 User Manual download pdf (Page 4)

STOPPING

Move equipment control or any ignition stop switch on engine

to STOP or OFF (see equipment manufacturer’s instructions).

Push stop switch (see Figure 1) located next to spark plug on

engine against spark plug and hold it in this position until engine

is completely stopped.

AFTER ENGINE IS STOPPED;

, A. DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG

i AND KEEP IT AWAY FROM SPARK PLUG.

_________________

.B. TURN IGNITION SWITCH KEY (IF SO EQUIPPED) TO

k ..Qpp., POSITION AND REMOVE KEY FROM SWITCH.

THIS WILL REDUCE THE POSSIBILITY OF UNAUTHO

RIZED STARTING OF ENGINE WHILE EQUIPMENT IS

NOT IN USE.

NEVER STORE ENGINE WITH FUEL IN TANK INDOORS

OR IN ENCLOSED, POORLY VENTILATED AREAS

WHERE FUEL FUMES MAY REACH AN OPEN FLAME,

SPARK OR PILOT LIGHT AS ON A FURNACE, WATER

HEATER, CLOTHES DRYER OR OTHER GAS APPLI

ANCE.

MAINTENANCE

WARNING: TEMPERATURE OF MUFFLER AND NEARBY

k AREAS MAY EXCEED ISQOF (65”C). AVOID THESE AREAS.

Check oi I level every five (5) operating hours or each time engine

is used. See “2 CHECK OIL LEVEL’ in “BEFORE STARTING"

on Page 1.

CHANGE OIL:

Change oil after first two (2) operating hours and every 25

operating hours thereafter, more often if operated in extremely

dusty or dirty conditions. Change oil while engine is still warm

from recent running.

A. Position equipment so engine oil drain plug is lowest point on

engine (see Figure 1).

B. Remove oil drain plug and oil fill plug to drain oil.

C. Replace oil drain plug and tighten securely.

D. Fill oil sump with recommended oil. See “OIL & FUEL

RECOMMENDATIONS” and “CHECK OIL LEVEL’ on Page

E. Replace oil fill plug and tighten securely.

F. Wipe up any spilled oil.

MAINTENANCE (Continued) '

2. PAPER FILTER:

DO NOT ATTEMPT TO CLEAN OR OIL FILTER.

Replace once a year or every 100 operating hours

more often if used in extremely dusty conditions.

Replacement filters are available at any Sears Roe

buck and Co. (or Sears Canada, Inc.) Service Center

TO REMOVE AND INSTALL FILTER(S)

1. Remove wing nut and cover.

Slide foam filter off paper filter.

Inspect filters for discoloration or dirt accumulation. I

either is present, service per preceding “TO SERVICE

FILTER(S)* instructions.

Clean inside of base and cover thoroughly.

Install new paper filter on base.

Slide foam filter over paper filter.

Install cover and wing nut. Tighten wing nut securely.

PAPER RLTEB

COVER

WING NUT

FOAM FILTER

W SPARK PLUG (see Figure 5):

This spark ignition system meets all requirements of the Cana

dian Interference-Causing Equipment Regulations. This engine

compiies with all current Australian and New Zealand limitations

regarding electromagnetic interference. Check spark plug yearly

or every 100 operating hours.

A. Clean area around spark plug.

B. Remove and inspect spark plug.

C. Replace spark plug If electrodes are pitted, burned or porce

lain is cracked. For replacement use Champion RJ17LM.

NOTE: Resistor spark plug must be used for replacement.

D. Check electrode gap with wire feeler gauge and set gap at

.030 if necessary.

E. Install spark plug, tighten securely.

AIR CLEANER (see Figure 4):

NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER

INSTALLED ON ENGINE.

A. TO SERVICE FILTER(S) (see Figure 4):

1. FOAMRLTER:

Clean and re-oil every three (3) months or every 25

operating hours. Clean and re-oil daily if used in

extremely dusty conditions.

a. Wash in water and detergent solution and squeeze

(don’t twist) until all dirt is removed.

Rinse thoroughly in clear water.

Wrap In a clean cloth and squeeze (don't twist)

until completely dry.

Saturate with engine oil and squeeze (don’t twist)

to distribute oii and remove excess oil. Page 3

ELECTRODES

PORCELAIN

.030 GAP

Figure 5

181-1195-11

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Sears 143.999 User Manual Page 4

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