Multiquip 802518 Manifold Oil Return Block - OEM Replacement Part

The manifold oil return block directs high-pressure hydraulic oil flow between the hydrostatic pump and the drum drive motors on AR14H ride-on rollers. This critical component is part of the roller's valve block assembly, which controls oil routing during forward and reverse travel operations. When the travel lever is engaged, the manifold directs pressurized oil to port A (forward) or port B (reverse), then returns oil from the drum motors back to the suction side of the hydrostatic pump.

The manifold block also houses multiple test ports used during maintenance procedures to verify steering relief pressure (specified at 1,000 psi) and overall hydraulic system performance. Connected to a gear pump that powers both the drum vibratory system and articulating steering system, this block ensures proper oil flow management throughout the hydraulic circuit. Technicians should monitor this component during routine hydraulic system inspections, particularly when diagnosing travel control issues or pressure irregularities.

Compatible with the following Multiquip models:

• AR14H Ride-On Roller

Genuine Multiquip OEM part, sold by an authorized dealer.