HHO-Canada Inc.
User guide PH400
18
Pressure control
After the first hours of service, the excavator can lack a little power, it would be then necessary to control the hydraulic
pressure.
A manometer able to sustain at least 150 bar (2200 psi) is needed.
First you need to take off the plug of the safety valve then with an allen wrench tighten or loosen the bolt as circled in
green
-
If the excavator lacks power, tighten the bolt ¼ turn at a time until the required pressure of 150 bar (2200psi) is
attained
; Do not overtighten, this might cause permanent damages to the hydraulic pump
-
If the motor is stalling, loosen ¼ turn at a time until the require pressure is attained.
Check oil level regularly.
