Craftsman 28875 Operation Manual - Page 30

MAINTENANCE, SAE Viscosity, Grades

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MAINTENANCE ENGINE OIL Perform engine maintenance with the engine off, spark plug wires disconnected and PTO disengaged. AFTER FIRST FIVE (5) HOURS While the engine is warm: 1. Remove drain cap at location D and drain the crankcase. Dispose of used oil in accordance with local requirements. 2. Clean and replace the cap. 3. Change oil filter. 4. Fill the crankcase with fresh oil to the full mark. Do not overfill. See engine manual for oil specifications. DAILY 1. Check oil level with the dipstick. 2. If oil is needed, add fresh oil of proper viscosity and grade. See engine manual for oil specifications. Do not overfill. 3. Replace dipstick before starting engine. PERIODIC OIL CHANGES 1. See Page 22 maintenance chart for oil and filter change intervals after the break-in period. 2. Follow instructions for first oil change, above. OIL CAPACITY Engine without oil filter holds approximately 1-7/8 quarts (60 ounces; 1.8 liters). Engine equipped with oil filter holds approximately 2 quarts (64 ounces; 1.9 liters). Use a high quality detergent oil classifed "For Service SF, SG, SH, SJ" or higher. Use recommended SAE viscosity grade oil per starting temperature according to Figure 1. SAE Viscosity Grades Figure 1 F -20 0 20 32 40 60 80 100 SPARK PLUGS Remove each plug and check condition. - Good operating conditions are indicated if the plug has a light coating of grey or tan deposit. - A white blistered coating indicates overheating. A black coating indicates an "over rich" fuel mixture. Both may be caused by a clogged air cleaner or improper carburetor adjustment. - Do not sandblast, wire brush or otherwise attempt to repair a plug in poor condition. Best results are obtained with a new plug. - Set plug gap as specified in engine manual.. 28

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MAINTENANCE
ENGINE
OIL
Perform engine maintenance
with the engine off,
spark plug wires disconnected
and PTO disengaged.
AFTER
FIRST FIVE
(5) HOURS
While the engine
is warm:
1.
Remove
drain cap at location
D
and drain the
crankcase.
Dispose of used oil in accordance
with local requirements.
2.
Clean and replace the cap.
3.
Change oil filter.
4.
Fill the crankcase
with fresh oil to the full mark.
Do not overfill.
See engine manual for oil
specifications.
DAILY
1.
Check oil level with the dipstick.
2.
If oil is needed, add fresh oil of proper
viscosity
and grade.
See engine
manual for oil
specifications.
Do not overfill.
3.
Replace dipstick
before starting engine.
PERIODIC
OIL
CHANGES
1.
See Page 22 maintenance
chart for oil and filter
change intervals
after the break-in period.
2.
Follow instructions for first oil change, above.
OIL CAPACITY
Engine without oil filter holds approximately
1-7/8
quarts (60 ounces; 1.8 liters).
Engine equipped with oil filter holds approximately
2
quarts (64 ounces; 1.9 liters).
Use a high quality detergent
oil classifed
"For Service
SF, SG, SH, SJ" or higher.
Use recommended
SAE viscosity grade oil per start-
ing temperature
according
to Figure
1.
Figure
1
SAE Viscosity
Grades
F
-20
0
20
32
40
60
80
100
SPARK
PLUGS
Remove
each plug and check condition.
-
Good operating conditions
are indicated if the plug has a light coating of grey or tan deposit.
-
A white blistered coating
indicates overheating.
A black coating indicates an "over rich" fuel mixture.
Both may be caused by a clogged air cleaner or improper
carburetor
adjustment.
-
Do not sandblast,
wire brush or otherwise attempt to repair a plug in poor condition.
Best results are
obtained
with a new plug.
-
Set plug gap as specified in engine manual..
28