24
HawkExcavator.com
Figure 6.7
7.
Install the hydraulic hoses from the pontoon to the slewing frame and from the slewing
frame to the upper body center joint. Then install the hydraulic hoses one at a time by
removing the protective caps, and attaching the hoses to the right fitting. Check all
connections for proper tightness. Refer to Figures 6.8 and 6.9.
Figure 6.8: Hydraulic hose connections from the slewing frame to the pontoon
Figure 6.9: Hydraulic hose connection from the slewing frame to the center joint
8.
Follow the start-up instructions provided with the operation manual for the upper body,
and start the machine. Operate the hydraulic system and check for proper rotation of the
hydraulic motor, the long reach arm or standard arm movements, and any hydraulic
leakage.
9.
The machine is now ready for operation.
Note:
Use only the suitable sized hydraulic hoses to connect each other. Before connection,
clean the hydraulic fittings and hoses. After disassembling the hoses, make sure each
hose and fitting are well sealed.
1
/4”
1
/2”
3
/4”
3
/4”
HOSE CONNECT
BETWEEN SLEWIN
TO UNDERCARRIAGE
ION
G FRAME