User Manual

Piston Seal Replacement
1. Unscrew and remove handle
2. Unscrew handle connector
3. Lift handle connector. Remove
o’ring to expose pin. Use suitable tool to
push pin from one side and then pull out.
Ensure o’ring is securely located in
groove on re-assembly.
20mm A/F
4. Unscrew outer body tube end cap and remove body tube
5. Unscrew the ball / seal retainer
use a separate spanner to hold
the large hexagon below it.
30mm A/F
24mm A/F
17mm A/F
6. When free, pull the piston rod clear of the pump.
Small Black Seal
Item 11
Replace only if worn
Item 7
Replace only if worn
and apply a small amount
of silicone grease on
re-assembly
7. Carefully remove the old seal and
replace.
Small Green Seal
Item 12
apply a small amount
of silicone grease on
re-assembly
Item 10
This o’ring does not
wear and only needs
replacing if damaged
Be careful not to lose
balls during assembly
DO NOT apply silicone
grease in this area
If you are only replacing piston seal Re-assemble pump in reverse order
see page 3 to replace inner slide tube seals
Page 2