Chapter 3: Operation
3-LV-1-7 9/7/11
LV1 User Manual
3-6
9.
Let the pre-charge set for 10-15 minutes. This will allow the gas temperature to
stabilize.
If the desired pre-charge is exceeded, close the nitrogen bottle valve, and then slowly
open the bleed valve (refer to Figure 3.2).
CAUTION: DO NOT REDUCE THE PRE-CHARGE BY DEPRESSING THE VALVE CORE WITH A
FOREIGN OBJECT. HIGH PRESSURE MAY RUPTURE THE RUBBER VALVE SEAT.
10.
When finished pre-charging the accumulator, turn the “T” handle counterclockwise all
the way out on the gas chuck (refer to Figure 3.2), then open the bleed valve.
11.
Hold the gas valve to keep from turning, loosen the swivel nut, and remove the
assembly. Check for pre-charge leaks using a common leak reactant.
12.
Replace the gas valve cap (10-15 in. lbs.) (11.5-17 cm kg) and valve guard. (Gas valve
cap serves as a secondary seal.)
Figure 3.2 Charging Components
WARNING: THIS EQUIPMENT CONTAINS A NITROGEN CHARGED ACCUMULATOR. IT MUST BE
DISCHARGED BEFORE SHIPPING.
Hydraulic Oil
CAUTION: CUSTOMERS SHOULD NOT START THE MOTOR WITHOUT ENSURING THAT A
SUFFICIENT LEVEL OF OIL IS IN THE TANK. DAMAGE TO THE PUMP AND HYDRAULIC SYSTEM
COULD RESULT.
NOTE:
Use Mobil DTE 25 oil (or equivalent) filtered through a 10 micron filter.
Filling the Hydraulic Oil Reservoir
1.
Remove the fill/vent cap from the hydraulic oil reservoir fill tube.
