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Trouble Shooting for the Pump Kit of the 6336 Hand Piece
PROBLEM
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The 2.5kg grease kit coupler leaks
(a) There is dirt under the seat of the outer ball (3)
(b) The valve stem (17), has worked itself loose
and is holding the outlet ball (3), off its seat.
(a) Set the hand piece to the high volume
setting and strike handle sharply. If the
coupler still leaks, remove the rigid extension
(9), spring keeper screw (21), spring (22) and
outer ball (23). Clear the seat and partly
replace the ball, screw and spring keeper
screw. Prime the pump completely to ensure
the maximum possible supply of grease to the
hand piece and tighten up the spring keeper
screw until the grease begins to stop leaking.
Then tighten the spring keeper in an extra two
full turns. Finally, reassemble the rigid
extension to the hand piece.
IMPORTANT: Please note that if you tighten
up the spring keeper screw too much, the hand
piece will become difficult to operate. Too
few turns will allow the hand piece to leak.
If the coupler still leaks, replace the outlet
body (4). When refitting the outlet body to the
handle, ensure that the handle is held in the
closed position. Doing so enables the back up
washers (5 & 7) and o’ring seals to seat
squarely on to the piston (19).
(b) Remove the handle (23) by withdrawing
the handle pin (22). Remove the piston (19),
retighten the valve stem (17) or replace with
spare part, kit number 6336N-SPK1.
Hand piece leaks at the back end of the piston
The
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awing handle
pin (22). Remove the piston (19) and replace
with the spare part kit part number 6336N-
SPK5.
IMPORTANT: If any signs of wear are
visible on the piston, replace with the spare
part kit Part Number 6336N-SPK4. 6336N-SPK5
will also be required to solve this problem.
The hand piece fails to deliver grease when on
the high pressure setting
(a) There is dirt under the delivery ball (18) or
there is a damaged ball seat in the piston (19)
(b) Seals are worn (25), (26) and (27).
(c) Valve inlet stem (17) has become loose or
dislodged from the piston (19).
(a) Change the setting to “high volume” and
hit the handle (23) hard to shift the dirt off the
seat. If leaks are still occurring, remove the
handle (23) by withdrawing handle pin (22),
spring (16) and ball (18). Clean the ball and
seat if the problem continues, order and install
spare part kit numbers 6336N-SPK4 and
6336N-SPK5.
(b) Use spare part kit number 6336N-SPK6 and
replace seals in the following order – washer
(5), O’ring (6) and washer (7).
(c) Refer to the 2.5kg grease kits coupler leaks
section to referencing section (b).
