Form No. 29625 2/97
XL 5210 HYDRAULIC PRESSURE
SETTING MANUAL
(SUPPLEMENTAL PRESSURE)
Use the tachometer on the monitor system for this procedure. Operate machine in open area. Shift the crawler
two-speed switch on distribution and controls panel in cab to high speed. Do not stall any function while
performing this test
. See Figure 6.
With engine at full RPM, counter rotate the crawler. Observe engine RPM. It should drop 100 RPM. IF adjustment
is required, use the horsepower adjustment screw (front adjustment screw on front of pump controls on main
pump). Turning the screw clockwise decreases RPM drawdown; turning the screw counterclockwise increases RPM
drawdown.
See Figure 7.
FIGURE 6
V
V
V
V
V..... Pump Hor
Pump Hor
Pump Hor
Pump Hor
Pump Horse
se
se
se
sepo
po
po
po
pow
w
w
w
wer
er
er
er
er Adjustment
Adjustment
Adjustment
Adjustment
Adjustment
The following procedure is for checking and setting the Pump Horsepower Adjustment. The pump horsepower
affects the point the pump destrokes to keep from drawing more horsepower than can be delivered. If the pump
horsepower adjustment is altered, a new seal cap must be installed on the pump horsepower adjustment screw.
NOTE!
All pressures must be checked and correct before checking pump horsepower. If any pressures are
incorrect,the pump horsepower setting will be affected.
FIGURE 7
1.
2.
7
Содержание XL4000
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Страница 305: ...GRADALL h y d r a u l i c e x c a v a t o r s XL 4000 5000 CENTER PIN REBUILD Form No 20026 Part No 2460 4164 ...