1 Reassemble motor using reverse of disassembly procedure outlined above NOTE Lubricate armature shaft bushings with light machine oil Armature end play is automatically adjusted by the proper installation of end play wave washers fig 34 Gear Box Refer to Figure 30 for explode of gear box 1 Assemble gear box using reverse of disassembly procedure NOTE Lubricate gear teeth with Delco Cam and Ball Bearing Lubricant or equivalent Be sure cover is properly located over dowel pins and be sure to reinstall ground strap 2 Operate wiper to park position and install crank arm on output shaft so alignment marks line up with those on cover fig 35 Replace retaining nut place crank arm in vise tighten retaining nut WINDSHIN GENERAL I The positive displacement washer pumps used on the one and two speed non depressed park wipers fig 36 use a pump mechanism consisting of a small bellows bellows spring and vale arrangement driven by a 4 lobe SERVICE REMOVAL AND INSTALLATION Removal of the washer pump from the wiper motor consists of 1 Disconnect wiring harness from washer NOTE Mark washer hoses for correct reinstallation DASH SWITCH B TERMINAL TERMINAL INTAKE PIPE OUTLET PIPES TO NOZZLES Fig 36 Washer Pump GEAR CASE GROOVES CRANK ARM GROOVES 0 I O O 0 Fig 35 Wiper Crank Arm in Park Position LID WASHER ESCRIPTION nylon cam and pin assembly fig 37 The wiper motor drives the cam fig 38 Programming is accomplished electrically and mechanically by a relay assembly and ratchet wheel arrangement PERATIONS 2 Remove washer mounting bracket to wiper retaining screws remove washer from wiper 3 Reverse above procedure to install assembly CAUTION Install washer multiplug harness connector with battery lead on terminal with no tang fig 36 Incorrect installation of connector will result in direct ground and destroy wiper motor fuse BELLOWS AND COIL AND POLE SPRING HOUSING ASSEMBLY VALVE RATCHET ASSEMBLY P 4WL ASSEMBLY II RATCHET PLUNGER ARM WHEEL ACTUATOR ACTUATOR PIN Fig 37 Washer Pump Mechanism