
01 Back head 12 Rear valve block
03 Throttle valve 14 Valve
03-1 O-Ring 15 Front valve block
05 O-Ring 17 Barrel sleeve
09 Hose adapter 21 Sping pin
10 Lock ring 22 HEX. Screw
11 Alignment shim 23 4mm HEX. Wrench
REPLACING THE O-RINGS AND SPRING:
Use a flat-head screwdriver as shown to disassemble the valve cap (part #06). Replace o-rings
(part #02, #03-1 and #04) and spring (part #05)
REPLACING THE MAIN VALVE (part #14) AND PISTON (part #16):
1. Use a vise to hold the hammer as shown
2. With an open-ended wrench, loosen the lock ring (part #10) by turning clockwise
3. Use the open-ended wrench t turn the barrel (part #19) counter-clockwise unit it separates from the back head (part #01),
then replace the main valve (part #14) and piston (part #16)
Use a center punch as shown to disassemble the spring pin (part #21), then replace the driver (part #19)
Your local representatives details can be located at www.bullockmfg.com.au