New Holland CX720 Repair Manual page 2495

6. Move the hydrostatic lever slightly forward until the
forward (M1) pressure gauge reading is a minimum
of 50 bar (725 psi) and a maximum of 300 bar (4350
psi). Do this for approximately 1 minute.
7. Move the hydrostatic lever slightly rearward until the
reverse (M2) pressure gauge reading is a minimum
of 50 bar (725 psi) and a maximum of 300 bar (4350
psi). Do this for approximately 1 minute.
8. Release the brake pedals.
9. Check the oil level, add oil if necessary. Check for oil
leaks.
Never operate the engine in a closed building. Proper
ventilation is required under all circumstances. R142A
10. Gearshift to neutral and engine speed on low idle.
Position the hydrostatic lever at half stroke for one
minute , both forward and reverse.
11. Gearshift remains in neutral and engine speed on
high idle. Position the hydrostatic lever at maximum
stroke for two minutes, both forward and reverse.
12. Gearshift to 4th gear and engine speed on high idle.
Apply both brake pedals firmly.
stroke on the control lever in forward position for a
maximum of 10 seconds. Pressure should be 420 -
460 bar (6092-6672 psi). Repeat the procedure for
reverse.
13. Switch off the engine.
14. Check the oil level, add oil if necessary. Check for oil
leaks.
15. For machines equipped with powered rear axles con-
tinue to remove the air from the system, refer to
2WD-4WD SYSTEM Hydrostatic (D.14.E).
16. For machines not equipped with powered rear axles
install the transmission drive shafts and tighten the
retaining bolts.
POWER TRAIN - TRANSMISSION Hydrostatic
CAUTION
Apply maximum
2 4/7/2006
C.20.F / 43