Lf the vari-speed belt slips, it is an indication that the belt is worn.
Vari-speed assembly
The vari-speed assembly consists of an AC inverter for controlling the motor speed, motor, pulleys and belt from the motor to the eccentric shaft. The eccentric speed of the deck is controlled via the remote keypad located on the control console. The remote keypad contains an RPM gauge for observing and recording speed settings.
Hydraulics
All of the major adjustments on your new Maxi-Cap Gravity are made with the hydraulic system. This system enables you to stand to stand in one convenient place and quickly adjust the machine. All adjustments may be mad while the machine is operating. To operate correctly the fluid level must be properly maintained, and the proper fluid must be used. The oil reservoir is located on the hydraulic motor pump assembly in the fan chest of the machine. The reservoir should be maintained at the full mark on the dipstick. Lf the reservoir requires frequent filling, this indicates a leak. Leaks will allow air to get the system and will result in erratic or poor operation of the Gravity separator. All leaks must be located and repaired as soon as they are suspected to insure proper operation.
Oil and fiter changes
The hydraulic fluid should be drained be drained from the reservoir and replaced every 2000 hours or once a year, whichever is shorter. Do not attempt to drain the entire system, as this will allow air into the lines and will require purging. The hydraulic filter should be changed every 200 hours
Oil viscosity Recommendations
Any major brand of antiwear, non-detergent hydraulic oil may be used. It should meet the following viscosity requirements :
Food grade hydraulic oil meeting the above specification is supplied in all new machines, and is available from Oliver.
Purging air from the system
Air in the hydraulic system will in erratic operation of the hydraulics. if you suspect air in your system you must purge the system. To purge the system, operate each hydraulic control through its entire range of operation for at least 5 full cycles. If you are unable to purge the system by these methods, please call the factory. If is recommended that you cycle each control periodically to insure that air does not build up in the system.