Groundsmaster 4000--DHydraulic System (Rev. B) Page 4 -- 48
Adjustments
Adjust Front Cutting Unit Lift Flow Control
The front cutting unit lift circuit is equipped with an ad-
justable flow control valve used to adjust the rate at
which the front deck lowers. Adjust flow control valve as
follows:
1. Run machine to get hydraulic oil at operating temper-
atures. Park machine on a level surface, shut engine off
and lower cutting units to the ground.
2. Locate valve under front of machine (Fig. 38).
3. Loosen setscrew on valve and rotate valve clock-
wise to slow down drop rate of front cutting unit.
4. Verify adjustment by raising and lowering cutting unit
several times. Readjust as required.
5. After desired drop rate is attained, tighten setscrew
on valve to lock adjustment.
1. Front cutting unit flow control valve
Figure 38
1
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