7 - 56 Genie S-80 & Genie S-85 Part No. 34032Service Manual - First EditionSection 7 - Repair Procedures2WD Drive Manifold18-12WD Drive Manifold ComponentsIndex SchematicNo. Description Item Function Torque1 Relief valve, 250 psi (17 bar) ............ B ........... Charge pressure circuit .................... 15-18 ft-lbs / 20-24 Nm2 Shuttle valve 3 position 3 way ........... A ........... Charge pressure circuitthat gets hot oil out of low pressureside of drive pump and allows lowpressure flow path or brakerelease and 2-speed motor shift ....... 15-18 ft-lbs / 20-24 Nm3 Orifice 0.070 in (1.78 mm) ................ D ........... Drive circuit4 Flow divider/combiner valve .............. C ........... Controls flow to drive motorsin forward and reverse ...................... 25-30 ft-lbs / 34-41 Nm5 Diagnostic fitting ............................................... Testing12453