4
Figure 3 - Manual Speed Control
Figure 4 - Choke Position
W
IN
TER
-
SAE 5W
20 OR 5W
30
SUM
MER
-
S
AE 10W
30
SUR
FA
C
E OR
REPLA
CE.
C
HANG
E
O
IL EV
ER
Y 25
O
P
ER
A
TIN
G
HOU
RS
.
U
ND
ER DIR
T
Y/DU
STY
CO
NDITI
O
NS -
TO
CLE
AN
TA
P
G
E
NTL
Y ON
FL
AT
CLEAN
PA
P
ER ELEM
E
NT EVER
Y 25
O
PER
A
TING HO
U
RS -
M
O
RE
O
FTEN
C
RAN
KC
ASE
O
IL
AIR
CLEANE
R
M
AINTENAN
C
E
CHOKE
ST
AR
T
CHOKE
LEVER
Figure 5 - Recoil Handle
W
IN
TER
-
SAE
5W
20 OR 5W
30
SU
M
M
ER
- SAE 10W
30
SU
RF
A
C
E OR
REPL
A
CE.
CH
A
N
G
E
O
IL EVER
Y 25 OP
ER
AT
IN
G
H
O
UR
S.
UN
D
ER
D
IR
T
Y/D
U
STY CO
ND
ITI
O
N
S -
TO
CLEAN
T
AP GE
NTL
Y
O
N
FL
AT
C
LEA
N
PA
P
ER
ELEM
EN
T
E
VER
Y 25
O
PERA
TING HO
U
RS -
M
ORE OFTEN
C
RANK
C
ASE OIL
AIR
CL
EAN
E
R
M
AIN
TE
N
AN
C
E
CHOKE
ST
AR
T
RECOIL
HANDLE
3. Move the choke lever to the HALF CHOKE
POSITION, and pull the recoil handle (Figure 5)
two (2) times.
• If the engine STILL FAILS TO START, repeat
Steps 1-3.
4. Move the choke lever to the RUN POSITION by
sliding it to the right (away from the valve cover
and under the arrow).
5. Allow the engine to warm up for two (2) minutes
before using the equipment.
STOPPING THE ENGINE
1. Remove the load on the engine, and let it run for
30 seconds.
2. Turn off the engine by moving the RUN/STOP
SWITCH (Figure 2) to the STOP position.
3. Close the fuel shut-off valve, if so equipped.
LOW OIL PRESSURE SYSTEM
Some engine applications may be equipped with a low
oil pressure switch. The switch is a normally closed
type, but is held open by engine oil pressure during
cranking and running. Should engine oil pressure
drop below approximately 10 psi for any reason, the
switch contacts will close. With the switch contacts
closed, the following will occur:
• A low oil pressure indicator will turn on and glow
as power is available for its operation.
• If so equipped, the closure of the switch contacts
will connect the primary ignition circuit to ground.
Ignition will terminate, and the engine will shut
down.
INITIAL STARTUP
A delay built in the low oil pressure sensor allows oil
pressure to build during starting. The delay allows
the engine to run for about 10 seconds before sensing
oil pressure.
GENERAL MAINTENANCE
RECOMMENDATIONS
The owner/operator is responsible for making sure
that all periodic maintenance tasks are completed on
a timely basis; that all discrepancies are corrected;
and that the equipment is kept clean and properly
stored. Never operate a damaged or defective engine.
*
Disconnect the spark plug wire from the spark
plug, and place the wire where it cannot come
in contact with the spark plug before working
on this engine.
Section 3 — Maintenance
GSH-220 Engine
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