Diamond Products CB35BV-XL - Manual (Page 23)

DESCRIPTION AND SPECIFICATIONS
Pump: Gear, pump rotation is clockwise (motor is CCW).
Maximum GPM: 17.2 GPM (65.1L/M) at no load, 4000 RPM. Flow will decrease as
pressure approaches the relief setting and as engine RPM drops under load.
Hydraulic Fluid Tank Capacity: 11 gallons (41.6Liters)
Hose Couplings: Bruning quick disconnect, 3/4 inch & ½ inch
Relief Pressure: Factory set at 3000 PSI /206.9 Bar (at valve outlet port). Do not exceed
3000 PSI. Adjustable to 1200 PSI / 83Bar. At relief setting, all flow is to tank and none to tool.
Engine: Briggs & Stratton 35 hp (Gross), Air-cooled, gasoline fueled, no load RPM: 4000.
Fuel Tank Capacity: 5 gallons.
This unit is compatible with most hydraulically driven sawing and drilling components. The
system may not be compatible with components of some manufacturers.
The power unit was inspected and operated before shipment and should not require any
additional adjustments prior to its initial use.
Hydraulic Fluid: The reservoir of the
hydraulic power unit must be full prior to
start-up. The use of high quality petroleum
based hydraulic oil with the following
properties is recommended:
 Anti-wear
 Low
foaming
 Rust and oxidation inhibitors
 Wide temperature range
 Fluid viscosity: 8-1000 Centistokes
(52-4600 SUS). The unit is shipped
with an ISO 46 Viscosity grade
(8Cs/52SUS @ 212F/100C and
46Cs/210SUS @ 104F/40C).
The oil must be kept free of contamination
to avoid damage to system components.
The strainer in the fill cap must always be
in place when adding oil. Quick
disconnects must be cleaned before
connections are made.
Control Valve: The pressure
compensated flow control valve on this unit
allows full flow control while the gas engine
remains at its most efficient wide-open
throttle. This allows a higher operating
pressure at all flows.
Flow settings: CCW, all flow routed to
tank. Flow to tool increases as valve
rotates clockwise.
Relief Valve: Relief pressure can be
adjusted by using an Allen wrench at the
relief cartridge, which is mounted just
below the front panel. The relief can be set
as low as 1200 psi; do not exceed 3000
psi. To adjust, the flow control must be set
at MAX and no tool should be attached.
This will force all flow over relief. The relief
should rarely need adjustment. Higher
relief may cause the engine to stall.
Hydraulic Oil Cooler and Radiator: The
power unit is equipped with a brazed plate
style oil cooler and a radiator option is
available. Whenever possible, water
should be passed through the cooler
before being used for dust control or blade
& bit cooling. Some tools will automatically
shut off water flow when not actively
cutting, drilling, etc. This may result in
higher oil temperatures if the power unit
continues to run for long periods without
cooling water. The optional radiator fan will
come on automatically when the oil
temperature reaches ~ 120 F. (49 C.) and
continue to run until the oil cools, even if
the engine is shut off. The fan will stop
whenever the emergency stop switch is
used.
IMPORTANT: If there is a risk of frost
the water must be drained from the
cooler to prevent damage by freezing.
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