Lull 6K Service Manual - Manual (Page 186)

Supply, Pressure, and Return Hydraulics
5-42 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
7. Install hydraulic hose (Item 18) from check valve on rear oscillation
lock control block to branch tee (Item 8). For final tightening, torque
swivel nut on hose to 44–48 ft-lbs.
8. Install hydraulic hose (Item 5) from accumulator to run tee (Item 17).
For final tightening, torque swivel nut on hose to 130–150 in-lbs.
9. Install hydraulic hose (Item 4) from Pilot test port to run tee (Item 17).
For final tightening, torque swivel nut on hose to 130–150 in-lbs.
10. Install hydraulic hose (Item 3) from valve plate to swivel run tee
(Item 19). For final tightening, torque swivel nut on hose to 130–150
in-lbs.
11. Install hydraulic hose (Item 2) from Steering test port to swivel run tee
(Item 19). For final tightening, torque swivel nut on hose to 130–150
in-lbs.
12. Install hydraulic hose (Item 1) from valve plate to long elbow (Item 20).
For final tightening, torque swivel nut on hose to 44–48 ft-lbs.
13. Install hydraulic hose (Item 12) from accumulator to connector
(Item 13) on front of pump. For final tightening, torque swivel nut on
hose to 235–265 in-lbs.
14. Install hydraulic hose (Item 11) from control valve to front of pump. For
final tightening, torque swivel nut on hose to 130–150 in-lbs.
15. Install hydraulic hose (Item 14) from elbow on rear oscillation lock
control block to check valve (Item 15) on side of pump. For final
tightening, torque swivel nut on hose to 44–48 ft-lbs.
16. Reconnect intermediate wiring harness (Item 10) to pressure switch
(Item 9).
17. Start the engine and check for hydraulic leaks. Correct as necessary.
18. For models 644B, 844C, and 1044C, refer to roll-back hose tray
installation procedures on page 5-96.