red roo HT912, Operation, Safety & Maintenance Instructions, Page: 6 / 32

OPERATING INSTRUCTIONS - HT912
BEFORE USE
1) Police the area. Remove any foreign objects from the area.
2) Identify and mark the location of sprinkler heads, gas pipes, telephone cables, etc.
OPERATION
1) Familiarize yourself with the hydraulic trencher and its controls.
2)
6
IGNITION: Must be in “ON” position to start. “OFF” to stop.
ENGINE: Throttle cable controls engine speed. Operate at full throttle (all the way forward).
WHEEL DRIVE CONTROL LEVER: Controls wheel speed forward or reverse after clutch lever is engaged.
DIGGING BOOM CONTROL LEVER: Raises and lowers the digging boom.
DIGGING CHAIN CONTROL LEVER: must be in “ON” position BEFORE clutch lever is depressed in order
to start chain in motion. Chain moves in a forward direction after clutch lever is engaged.
SAFETY CLUTCH LEVER/OPERATOR PRESENCE CONTROL:( At left handle grip) As the operator stands
DRIVE and DIGGING CHAIN controls when depressed. Stops all motion when released.
FORWARD/REVERSE DIGGING CHAIN CONTROL LEVER: Allows manual operation of chain in forward
or reverse rotation to dislodge objects or dig difficult terrain. (This control can be used with the clutch lever
released.) To reverse chain, DIGGING CHAIN control must be in “OFF” position.
FREE WHEEL HUB FEATURE - Operation: Pull one free wheeling pin slightly, using the
split ring. Rotate the pin until the 3mm (1/8”) diameter roll pin aligns with the slot in the
mounting plate. Allow the pin to slide through the slot. Repeat for the other wheel. Roll the
trencher until each pin drops into a hole in the hub. The wheel hubs are now locked.
Reverse the procedure to unlock the wheels.
3.
a.
Move the fuel valve lever to ON position.
b. To start a cold engine, move the choke lever or
choke rod (applicable types) to the CLOSED position.
To restart a warm engine, leave the choke lever or
choke rod in the OPEN position.
STARTING THE ENGINE:
c.
Move the throttle lever away from the MIN position,
about 1/3 of the way toward the MAX position.
d. Turning the engine switch to the ON position.
RECOIL STARTER
Pull the starter grip lightly until you feel resistance, then pull briskly.
Return the starter grip gently.
1. Remove the hydraulic trencher from its trailer. Use caution.
READ SAFETY INSTRUCTIONS BEFORE OPERATING!
Be sure that the engine oil, fuel and hydraulic oil are at proper levels before starting the engine.
STUDY AND UNDERSTAND CONTROLS BEFORE BEGINNING OPERATION
TRANSPORT
OPERATING INSTRUCTIONS - HT912
BEFORE USE
1) Police the area. Remove any foreign objects from the area.
2) Identify and mark the location of sprinkler heads, gas pipes, telephone cables, etc.
OPERATION
1) Familiarize yourself with the hydraulic trencher and its controls.
2)
6
IGNITION: Must be in “ON” position to start. “OFF” to stop.
ENGINE: Throttle cable controls engine speed. Operate at full throttle (all the way forward).
WHEEL DRIVE CONTROL LEVER: Controls wheel speed forward or reverse after clutch lever is engaged.
DIGGING BOOM CONTROL LEVER: Raises and lowers the digging boom.
DIGGING CHAIN CONTROL LEVER: must be in “ON” position BEFORE clutch lever is depressed in order
to start chain in motion. Chain moves in a forward direction after clutch lever is engaged.
SAFETY CLUTCH LEVER/OPERATOR PRESENCE CONTROL:( At left handle grip) As the operator stands
DRIVE and DIGGING CHAIN controls when depressed. Stops all motion when released.
FORWARD/REVERSE DIGGING CHAIN CONTROL LEVER: Allows manual operation of chain in forward
or reverse rotation to dislodge objects or dig difficult terrain. (This control can be used with the clutch lever
released.) To reverse chain, DIGGING CHAIN control must be in “OFF” position.
FREE WHEEL HUB FEATURE - Operation: Pull one free wheeling pin slightly, using the
split ring. Rotate the pin until the 3mm (1/8”) diameter roll pin aligns with the slot in the
mounting plate. Allow the pin to slide through the slot. Repeat for the other wheel. Roll the
trencher until each pin drops into a hole in the hub. The wheel hubs are now locked.
Reverse the procedure to unlock the wheels.
3.
a. Move the fuel valve lever to ON position.
b.
To start a cold engine, move the choke lever or
choke rod (applicable types) to the CLOSED position.
To restart a warm engine, leave the choke lever or
choke rod in the OPEN position.
STARTING THE ENGINE:
c.
Move the throttle lever away from the MIN position,
about 1/3 of the way toward the MAX position.
d.
Turning the engine switch to the ON position.
RECOIL STARTER
Pull the starter grip lightly until you feel resistance, then pull briskly.
Return the starter grip gently.
1. Remove the hydraulic trencher from its trailer. Use caution.
READ SAFETY INSTRUCTIONS BEFORE OPERATING!
Be sure that the engine oil, fuel and hydraulic oil are at proper levels before starting the engine.
STUDY AND UNDERSTAND CONTROLS BEFORE BEGINNING OPERATION
TRANSPORT
SAFETY CLUTCH LEVER/OPERATOR PRESENCE CONTROL: (At left handle grip as the operator
stands behind the machine) in the operator position. Activates wheel DRIVe and DIGGING ChAIN
controls when depressed. Stops all motion when released.
OPERATING INSTRUCTIONS - HT912
BEFORE USE
1) Police the area. Remove any foreign objects from the area.
2) Identify and mark the location of sprinkler heads, gas pipes, telephone cables, etc.
OPERATION
1) Familiarize yourself with the hydraulic trencher and its controls.
2)
6
IGNITION: Must be in “ON” position to start. “OFF” to stop.
ENGINE: Throttle cable controls engine speed. Operate at full throttle (all the way forward).
WHEEL DRIVE CONTROL LEVER: Controls wheel speed forward or reverse after clutch lever is engaged.
DIGGING BOOM CONTROL LEVER: Raises and lowers the digging boom.
DIGGING CHAIN CONTROL LEVER: must be in “ON” position BEFORE clutch lever is depressed in order
to start chain in motion. Chain moves in a forward direction after clutch lever is engaged.
SAFETY CLUTCH LEVER/OPERATOR PRESENCE CONTROL:( At left handle grip) As the operator stands
DRIVE and DIGGING CHAIN controls when depressed. Stops all motion when released.
FORWARD/REVERSE DIGGING CHAIN CONTROL LEVER: Allows manual operation of chain in forward
or reverse rotation to dislodge objects or dig difficult terrain. (This control can be used with the clutch lever
released.) To reverse chain, DIGGING CHAIN control must be in “OFF” position.
FREE WHEEL HUB FEATURE - Operation: Pull one free wheeling pin slightly, using the
split ring. Rotate the pin until the 3mm (1/8”) diameter roll pin aligns with the slot in the
mounting plate. Allow the pin to slide through the slot. Repeat for the other wheel. Roll the
trencher until each pin drops into a hole in the hub. The wheel hubs are now locked.
Reverse the procedure to unlock the wheels.
3.
a.
Move the fuel valve lever to ON position.
b. To start a cold engine, move the choke lever or
choke rod (applicable types) to the CLOSED position.
To restart a warm engine, leave the choke lever or
choke rod in the OPEN position.
STARTING THE ENGINE:
c.
Move the throttle lever away from the MIN position,
about 1/3 of the way toward the MAX position.
d. Turning the engine switch to the ON position.
RECOIL STARTER
Pull the starter grip lightly until you feel resistance, then pull briskly.
Return the starter grip gently.
1. Remove the hydraulic trencher from its trailer. Use caution.
READ SAFETY INSTRUCTIONS BEFORE OPERATING!
Be sure that the engine oil, fuel and hydraulic oil are at proper levels before starting the engine.
STUDY AND UNDERSTAND CONTROLS BEFORE BEGINNING OPERATION
TRANSPORT