3. Position the ON/OFF switch to the "ON"
position.
4. Pull the choke lever out.
5. Push the circuit control lever to the "START"
position.
6. After the engine starts, allow the engine to
warm up until it runs smoothly with the choke
released.
Do not start the Engine with the
trottle control set at 5 or 8 gpm/
19 or 30 lpm.
IMPORTANT
COLD WEATHER
STARTUP
1. Use the procedures described under
"STARTUP" and then follow the procedure below.
2. Hydraulic fluids are thicker in cold weather,
therefore, it is recommended that the engine be
run at low idle long enough to bring the fluid
temperature up to a minimum of 50°F/10°C or
until the top of the hydraulic filter feels warm.
2. If the throttle control is in the "5" or "8" position,
change it to the "AUTO" position.
3. Allow the engine to idle for approximately one
minute and then switch the ON/OFF switch to the
"OFF" position.
OPTIONAL WATER
PUMP KIT
If the power unit will be operated without need of
the water pump, unpin the water pump and
remove it.
3. If the tools and tool hoses are cold, it is
recommended to allow hydraulic fluid to
circulate through the tool hoses until warm
before using the tool.
TOOL OPERATION
1. With the engine running smoothly,
move the control lever to the "ON" position.
2. Activate the tool. The automatic throttle
will increase engine speed to permit proper
tool operation. When the tool is deacti-
vated, the automatic throttle allows the
engine to return to idle.
3. If automatic throttle operation is not
desired, change the throttle control to "5 or
8".
SHUTDOWN
1. Place the circuit control lever in the
"OFF" position.
10
Figure 3. Control Panel
DO NOT OPERATE THE PUMP WITH-
OUT WATER. OPERATING THE PUMP
WITHOUT WATER WILL SEVERLY DAM-
AGE THE PUMP.
ON
OFF
ENGINE
ON/OFF
SWITCH
PRESSURE
HOSE
RETURN
HOSE
PRESSURE QUICK
DISCONNECT
RETURN QUICK
DISCONNECT
Stanley Hydraulic Tools
MILWAUKIE, OREGON
TOOL
OFF
TOOL
ON
HP1 COMPACT POWER UNIT
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