14
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or dam-
age.
SPARK PLUG
Replace spark plug at the beginning of
each mowing season or after every 100
hours of operation, which ever occurs
first. Spark plug type and gap setting are
shown in “PRODUCT SPECIFICATIONS”
section of this manual.
CLEANING
IMPORTANT:
For best performance,
keep mower housing free of built-up
grass and trash. Clean the underside of
your mower after each use.
CAUTION:
Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
• Clean the underside of your lawn
mower by scraping to remove build-up
of grass and trash.
• Clean engine often to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine life.
• Keep finished surfaces and wheels free
of all gasoline, oil, etc.
• We do not recommend using a garden
hose to clean lawn mower unless the
electrical system, muffler, air filter and
carburetor are covered to keep water
out. Water in engine can result in
shortened engine life.
CLEAN UNDER DRIVE COVER
Clean under drive cover at least twice a
season. Scrape underside of cover with
putty knife or similar tool to remove any
build-up of trash or grass on underside of
drive cover.
AIR FILTER
Your engine will not run properly and may
be damaged by using a dirty air filter.
Replace the air filter every 100 hours of
operation or every season, whichever
occurs first. Service air cleaner more
often under dusty conditions.
TO CLEAN AIR FILTER
1. Loosen screw and tilt cover to remove.
2. Carefully remove cartridge.
3. Clean by gently tapping on a flat
surface. If very dirty, replace cartridge.
CAUTION:
Petroleum solvents, such as
kerosene, are not to be used to clean
cartridge. They may cause deterioration of
the cartridge. Do not oil cartridge. Do not
use pressurized air to clean or dry
cartridge.
4. Install cartridge, then replace cover
making sure the tabs are aligned with
the slots in the back plate. Fasten
screw securely.
Slots
Lip
Cover
tabs
Back plate
Cartridge
Cover
19
KEY PART
NO. NO.
DESCRIPTION
KEY PART
NO. NO.
DESCRIPTION
12
700343
Bushing
13
86447
Plug
14
137050
Helical Gear
15
750436X
Clutch Jaw
16
750369
Grease
17
12000003
E-Ring
18
850848
Hi-Pro Key
19
81585X004
Spring Bracket
1
17490416
Tapping Screw 1/4-20 x 1-1/4
2
175248X004 Engagement Bracket
3
137053
Shifter
4
57072
Seal
6
48373
Gear Case Halves Kit (Includes
Key Numbers 4 and 7)
7
77881
Bearing
8
137051
Worm Shaft
9
175257
Drive Shaft
10
57079
Hardened Washer
11
131484
Clutch Yoke
NOTE:
All component dimensions given in U.S. inches.
1 inch = 25.4 mm
REPAIR PARTS
ROTARY LAWN MOWER - - MODEL NUMBER 944.361390
GEAR CASE ASSEMBLY - - PART NUMBER 175258
