Bobcat 331 - Hydraulic Controls (Cont’d)

1
3
7
A
B–21925
P–16624
5
1
3
5
7
B
B–21926
P–16623
12 Operation & Maintenance Manual
331/331E/334 Excavator
HYDRAULIC CONTROLS (Cont’d)
Standard Control Pattern
The work equipment (backhoe and upper structure swing)
is operated by using the right and left control levers
(joysticks) [A] & [B].
Left Control Lever
The left lever is used to operate the boom and swing the
upperstructure [A]:
1. Boom Lower.
2. Boom Lower and Slew Right.
3. Slew Right.
4. Boom Raise and Slew Right.
5. Boom Raise.
6. Boom Raise and Slew Left.
7. Slew Left.
8. Boom Lower and Slew Left.
Right Control Lever
The right lever is used to operate the arm and bucket [B]:
1. Arm Out.
2. Arm Out and Bucket Dump.
3. Bucket Dump.
4. Arm In and Bucket Dump.
5. Arm In.
6. Arm In and Bucket Curl.
7. Bucket Curl.
8. Arm Out and Bucket Curl.
AVOID INJURY OR DEATH
Before leaving the machine:
• Lower the work equipment to the ground.
• Lower the blade to the ground.
• Stop the engine. Remove the key.
W–2196–0595