Service Manual

ManualsBrandsToro ManualsSnow ThrowerToro 38603

MAINTENANCE

Air Filter (Mower Only)

Once every season, or every 50 hours, clean the air

filter housing and element. Do so more frequently

under dusty conditions.

Note: Do not operate the en

ine without the air filter in

place. Doin

so may dama

e the en

ine or cause

excessive en

ine wear.

1. To remove air filter (A), snap cover latch open,

swin

to side, and unhook. Remove the cover (B)

and air filter. (See Fi

ure 1.)

Figure 1

3297-005

2. Wash air filter in laundry deter

ent and water.

Squeeze filter to remove excess liquid and blot dry

with a paper towel or ra

(see Fi

ure 2). Do not

wrin

out the element or dama

e may occur.

Figure 2

3329-006

3. Apply one tablespoon SAE 30 or similar oil to the

air filter (see Fi

ure 3). Li

htly squeeze filter until

oil is distributed evenly throu

hout the filter. Blot

htly with paper towel to remove excess oil.

Replace filter with cleanest side facin

carburetor.

Note: Be sure filter is properly seated in air box and

is not puckered (allowin

direct passa

e of air and

dirt to carburetor).

Figure 3

3297-007

Spark Plug

A spark plu

that is dirty, pitted, carbon covered, or has

worn electrodes may cause hard startin

and poor

operation.

Replace spark plu

once a season or every 25 hours,

which ever occurs first. Use NGK BPMR 4A or

equivalent.

1.Set spark plu

ap to .030 (.76 mm). (See

ure 4.)

Figure 4

3297-008

2. Install spark plu

fin

er ti

ht, then torque per

specifications. (See Fi

ure 5.)

Figure 5

3297-009

IIIIIIIIIIIIIIIIII

.030 in. (.76mm)