Hydraulic Valve Adjustments - Challenge CHAMPION 370 TC Instructions And Parts Manual

8.0 Maintenance Guide
8. Lock the jam nut securely in place.
9. Readjust the collar. See section 8.10.1.1 Knife Up/Down Limit Switches on page 49.
power is turned on and the cut buttons are pressed for the first time. Keep hands and tools away.
10. Replace all covers and guards.
11. Install the knife; see section as described in the operator' s manual.
12. Unlock and reconnect power to the machine. Allow the machine to run for a few minutes to
work the air out of the hydraulic system.

8.8 Hydraulic Valve Adjustments

checking and adjusting. Be very careful that tools and other people are clear of moving parts and that
the cutter is not accidentally operated while adjustments are being made. Disconnect the power and
lock it out, (see Safety Precautions, page 5), whenever working on the machine unless the directions
specifically require the machine to be powered.
For initial setup, adjust the valves in the following order:
1) Main System Relief Valve- 1800 PSI
2) Knife Down Sequence Valve- 1600 PSI
3) Clamp Up Sequence Valve- Adjust Visually
4) Electronic Clamp Control Valve- 1400max/400min PSI
5) Knife Flow Control Valve- See adjustment on page.
NOTE: Pressure settings fluctuate with oil temperature. Set pressures when the oil is hot.
46
CRUSH HAZARD! Knife and clamp will return to the up position when the
Several of the following tests require the machine to be operational for
Figure 34