Craftsman 536.7974 operating instructions Trouble, erractically

Models: 536.7974

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TROUBLE

TROUBLE

 

 

CAUSE

 

 

CORRECTION

Difficult

starting

Stale fuel

 

Drain fuel

tank, Fill with fresh

 

 

 

 

 

 

 

 

fuel

 

 

 

or

 

 

 

Defective spark plug

Clean and re-gap spark plug

 

 

 

 

 

Clogged fuel line

 

Replace

fuel filter

Engine

runs

 

 

 

 

 

 

 

erractically

 

 

Blocked fuel line or empty fuel tank Clean fuel line; check gas tank

 

 

 

 

 

Carburetor out of adjustment

Have carburetor adjusted

 

 

 

 

 

Fouled spark plug

 

Clean and adjust gap, replace

 

 

 

 

 

Clogged

air c!.eanet'

Replace

air filter

 

 

 

 

 

Jammed

due to foreign object

Clear obstruction

Cutting

blade

fails

 

 

 

 

blade retaining nut

to turn

 

 

 

Loose blade

 

Tighten

 

 

 

 

 

Defective

belt

 

Replace

V-belt

 

 

 

 

 

Defective

quill bearidgs

Replace

the bearings

Blade fails

to

cut

Damaged

or worn

blade

Replace

blade

proper

y

 

 

 

 

 

 

 

 

!Excessive

vibra-

Loose parts

 

Stop engine immediately; tighten

!tion

 

 

 

 

 

 

 

all bolts, If vibration continues,

 

 

 

 

 

 

 

"

take the unit into the nearest

 

 

 

 

 

 

:.:

 

Craftsman

Service Center

Engine

will

not

Hand e hardware

s:.h0t cutt ng into

Tighten

bolts until the head of th_

shut

off when

en-

tube

 

 

bolt cuts into the tubing

glne

control lever

 

 

 

 

 

 

is released

Page 16
Image 16
Craftsman 536.7974 operating instructions Trouble, erractically