Coasting Check - This internal feature is standard for all Ace hydraulic motors. It protects the
motor seal from pressure spikes created by the ywheel effect of the impeller when the pump is
turned off.
Needle Valve - The valve allows for bypass of excess hydraulic uid on open center hydraulic
systems. The valve has a threaded needle with a slotted end and lock nut. The needle on 300A
motors is located under a hex cap with no lock nut.
Reverse Flow Check - The check valve prevents damage by not allowing the pump to run backwards.
The valve is an external tting on the 200N series motors and internal on 300 series models.
HYDRAULIC MOTOR FEATURES
Hydraulic Hose Connections:
200 Series - 1/2” NPT
300 Series - 1/2” NPT
Consult these Ace Product Updates for more information:
Update 1 - Hydraulic Seals
Update 12 - Seal Support Spacer
Update 14 - 200N Series Motors
Update 15 - 300A Series Motors
2
Anti-Vortex
Tank Fitting
Tank Valve
Pressure
Gauge
Shut-off
Valve
Line
Strainer
Agitation Valve
Agitation
Pressure Gauge
Jet Agitator
Control Valve
Flow Meter
Boom Valves
A = 10 x hose diameter
A
Pressure Spike Valve
“Suggested for MAX Series”
PLUMBING DIAGRAM
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