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GTR20 User Manual ◄ 13
FOR 5 GPM OPERATION
For 5 gpm operation, select mode of operation with the
Throttle Control switch, either auto-idle-on or the auto-
idle-off position. Move the ow selector switch to the 5
gpm position.
Note:
If operating both 5 gpm circuits move both ow se-
lector switches to the 5 gpm position. Both 5 gpm
circuits are independent from each other and can be
operated on its own.
When nished operating the tool, move one or both ow
selector switches to the OFF position.
FOR 10 GPM OPERATION
For 10 gpm operation, select mode of operation with the
Throttle Control Switch, either auto-idle-on or the auto-
idle-off position. Move both ow selector switches to the
10 gpm position.
When nished operating the tool, move both ow selec-
tor switches to the OFF position.
Note:
Either set of couplers can be used for the 10 gpm circuit,
but DO NOT use two separate tools when in the 10 gpm
operation mode.
COLD WEATHER STARTUP
1. Use the procedures described under "STARTUP"
and then follow the procedure below.
2. Hydraulic uids are thicker in cold weather. There-
fore, it is recommended that the engine be run at low
idle long enough to bring the uid temperature up to a
minimum of 50°F/10°C.
3. If the tools and tool hoses are cold, it is recom-
mended to allow hydraulic uid to circulate through the
tool hoses until warm before using the tool.
SHUTDOWN
1. Ensure the ow selector switches are in the OFF po-
sition (center position).
2. Unless already at idle the power unit should return
to idle. This may take a few seconds for the unit to react
due to a built-in program delay.
3. Allow the engine to idle for approximately one minute
and move the Ignition Switch to the OFF position.
OPERATION