Macnaught MINI-LUBE K6, Инструкция по эксплуатации

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TROUBLE SHOOTING GUIDE
KR PRESSURITE GREASE GUN
TROUBLE
CAUSE REMEDY
A) Coupler Leaks.
B) Gun leaks at the back
end of the piston.
C) Gun fails to deliver
grease on the high
pressure setting.
D) Gun fails to deliver
grease on the high
volume setting.
E) The control push rod in
the control body leaks.
F) The gun leaks at the
swivel joint.
G) The gun, when on the
high volume setting is
too slow or hard to
operate.
a) Dirt under the seat of the oulet
ball (23).
Note: There is nothing wrong
with the coupler itself.
b) The valve stem (3) has worked
loose and is holding the outlet
ball (23) off its seat.
a) Change to high volume and strike the handle
sharply. If it still leaks, remove the extension
tube (28), spring keeper screw (21), spring
(22) and ball (23).
Note: Too many turns makes the gun hard to
operate, and too few turns allows the gun to
leak. If the coupler still leaks replace the
complete outlet body assembly.
Clean the seat and replace the ball, spring and
spring keeper screw (part way). Prime the pump
and screw in the spring keeper screw until the
grease stops leaking. Then screw in an extra 2
full turns. Reassemble extension tube.
When refitting the outlet body (24) hold the
handle (29) in the closed position.This
enables the back-up washers and o’ring
seals to enter squarely onto the piston.
b) Remove the handle pin (30), and handle
(29). Remove piston (8), re-tighten valve
stem (3) or replace the complete piston
assembly.
Glyd ring worn Remove the handle pin (30) and handle (29).
Remove the old piston and replace with a new
piston assembly.
a) Dirt under the delivery ball (5) or
damaged ball seat in the piston (8). a) Change over to the high volume setting and
strike the handle hard to shift dirt off the seat.
If there is no improvement, replace the piston
assembly.
b) Seals (25, 26) are worn.
b) Replace seals (25, 26) in the outlet body.
c) Valve stem (3) has become
loose from the piston (8).
c) Replace piston assembly.
a) Dirt on the inlet valve seat (9)
Note: This fault will decrease
volume.
b) Operating plunger control (10)
sticking in body (16).
a) Remove the control body (16), tap out the valve
seat (9), o’ring (14), ball (13) and spring (12).
Clean parts and replace in the correct order.
b) Replace the control body assembly.
O’ring (15) damaged or worn. Remove the control body and replace worn or
damaged parts.
Worn seals (18, 23). Replace worn or damaged swivel seals.
a) Springs (2 or 4) may have collapsed
and is blocking the flow of grease.
b) Grade of grease is too heavy.
c) Too much compression on the
outlet spring (22).
a) Fit KR-1K overhaul kit.
b) Change grease to NLGI No 2 grease or
lighter.
c) Reset the spring keeper screw (Refer to A -
a) of the trouble shooting guide) or replace
the outlet body assembly.
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