1 7 z 3 4 S 6 20 25 Zip 19 24 18 23 22 21 I fig bE 1l tervolr Pewerql 1 Valve Body to Transfer Plate 7 low Drive Volvo Inner Spring Attaching Screws 4 Low Drive Valve Outer Spring 2 Transfer Plate 9 Spring Seat 3 Transfer Plate to Main Valve 10 low Drive Regulator Valve Body Gasket 11 Low Drive Regulator Volvo 4 Throttle Volvo Assembly Sleeve Retaining Pin 12 Retainer Ring S M in Volvo body 13 Front Pump Check Valve and b low Drive Shift Valve Spring 5 Remove the two remaining clutch head screws 1 then separate the transfer plate 2 and gasket 3 from the main valve body 5 6 To remove the low drive shift valve components remove retainer ring 12 with Truarc pliers while exerting a downward force then release the pressure and remove low drive regulator valve sleeve 11 regulator valve 10 spring seat 9 and inner and outer springs 7 and 8 Lightly tap main valve body with a plastic hammer to remove the low drive shift valve 6 from its bore 7 To remove the TV valve components remove retaining pin 4 by wedging a thin screwdriver between its head and the surface of the main valve body then remove detent valve assembly 21 and throttle valve spring 22 Complete disassembly of the valve body by removing the E ring 25 8 9 10 11 12 13 14 15 4 17 16 Ide Volvo Ndy Expleded View 14 Rear Pump Check Volvo and 19 Pressure Regulator Volvo Spring Spring 13 Rear Pump Priming gall 20 Pressure Regulator Valve 16 Hydraulic Modulator Valve 21 Detenl Valve Assembly Body 24 Throttle Valve Spring 17 Hydraulic Modulator Booster 23 Throttle Volvo Valve 24 Manual Volvo It Pressure Regulator Valve 23 Throttle Valve Locating Ring Spring Retainer from the throttle valve then remove throttle valve 23 from main valve body by tapping valve body with a plastic hammer Inspection Valve Body As most valve body failures are initially caused by dirt or other foreign material preventing a valve to function properly a thorough cleaning of all parts in clean solvent is mandatory Check all valves and their operating bores for burrs or other deformities which could result in valve hang up Ass mbly Valve Body 1 Install hydraulic modulator valve 1 in its bore in modulator valve body 16 2 Place rear pump pruning ball 15 into hydraulic modulator valve body 1G then place front and CORVAIR SHOP MANUAL