Craftsman 770-5875B, 247.796890 manual Trouble, Shooting, Chart, Maintenance Check List, Sympton

Models: 247.796890 79689 770-5875B

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MAINTENANCE CHECK LIST

SERVICE RECORD

FILL tN DATES

AS YOU COMPLETE

REGULAR SERVICE

Check Engine Oil Level

Change Engine Oil

Clean Engine

Service Air Cleaner

,

,

,,,

Clean Engine Cylinder Fins

Clean or Repface Spark Plug

MAINTENANCE CHECK LIST

SERVICE DATES

9V"

 

 

 

TROUBLE

SHOOTING

CHART

 

 

 

 

 

 

 

 

1

 

SYMPTON

 

POSSIBLE

CAUSE(S)

 

 

 

 

 

 

 

SOLUTION

 

 

 

Engine

fails

to start

 

Check

 

fuel

tank

for gas,

]

Fill

tank

if

empty

 

ip.

6)

 

 

 

 

 

 

 

2

Spark

 

plug

lead

wire

 

2

Connect

lead

wire

(p, 6)

 

 

 

 

 

 

 

disconnected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Faulty

 

spark

ptug

 

3

Ciean,

 

adjust

gap

or

replace

(p, 10)

Hard starting

or loss

of

Spark

 

plug

wire

loose,

 

1.

Connect

and

tighten

spark

plug

 

power

 

 

 

 

 

 

 

 

 

 

 

 

wire

 

(p

6)

 

 

 

 

 

 

 

 

 

 

 

 

2,

Dirty

air

cleaner

 

 

2

Clean

air cleaner

as

described

in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

maintenance

 

section

(p

!0),

 

 

Engine

overheats

1

Carburetor

not

adjusted

 

Adjust

 

carburetor,

 

See

adjustment

 

 

 

 

 

properly

 

 

 

 

 

2.

section

(p,

91

 

 

 

 

 

 

 

 

 

 

 

2

Air

flow

restricted.

 

Remove

blower

housing

and

clean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

as described in the maintenance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

section

(p_ 10)

 

 

 

 

 

 

 

 

 

 

3

Engine

 

oil level

tow

 

3,

Fill

crankcase

with

the

proper

oil

(p. 6),

Material

not

shredding

 

Blade

andlor

flails not

sharp

 

Sharpen

or

reverse

blade

and

flails

(13.11)

Engine

bogs

down or

t

No

fuel

 

in fuel

tank

 

1, Fill

tank

if

empty

 

(13.6),

 

 

 

 

stalls

 

 

2.

Feeding

 

material

into

the

2.

Do

not

force

material

into

the opening

 

 

 

 

machine

too quickly,

 

 

Feed

gradually

(p.

7)

 

 

 

 

 

NOTE: For repairs beyond the minor adjustments listed above, please contact your Sears Authorized Service Center

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Craftsman 770-5875B, 247.796890 manual Trouble, Shooting, Chart, Maintenance Check List, Sympton