139 S450 Operation & Maintenance Manual
SEAT BAR RESTRAINT SYSTEM (CONT’D)
Inspection And Maintenance
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Sit in the seat and fasten the seat belt. Engage the
parking brake. Pull the seat bar all the way down. Start
the engine. Press the PRESS TO OPERATE LOADER
button.
Operate the hydraulic controls to check that the lift and tilt
functions operate correctly. Raise the lift arms until the
attachment is approximately 600 mm (2 ft) off the ground.
Raise the seat bar. Move the hydraulic controls. Pedals
and handles (if equipped) must be firmly locked in the
NEUTRAL position (except joysticks). There must be no
motion of the lift arms or tilt (attachment) when the
controls are moved.
Lower the seat bar, press the PRESS TO OPERATE
LOADER button, and lower the lift arms. Operate the lift
control. While the lift arms are going up, raise the seat
bar. The lift arms must stop.
Lower the seat bar, press the PRESS TO OPERATE
LOADER button, lower the lift arms, and put the
attachment flat on the ground. Stop the engine. Raise the
seat bar. Operate the foot pedals and handles (if
equipped) to be sure they are firmly locked in the
NEUTRAL position (except joysticks).
Figure 171
Use compressed air to clean any debris or dirt from the
pivot parts. Do not lubricate. Inspect all mounting
hardware. The correct hinge nut (both sides) (Item 1)
torque is 34 – 38 N•m (25 – 28 ft-lb). The seat bar sensor
nut (left side only) (Item 2) [Figure 171] torque is 6 – 8
N•m (50 – 70 in-lb).
If the seat bar system does not function correctly, replace
parts that are worn or damaged. Use only genuine
Bobcat replacement parts.
To Next Page
Loading...