Macnaught K53-01, K54-01 Instruction Manual

KP103 Issue19 © 2017 1

K53 & K54 AIR OPERATED

POWER PISTOL

INSTRUCTION MANUAL

Thank you for purchasing a Macnaught air operated
Power Pistol.

The Macnaught Power Pistol models K53(450g) and K54
(400g) are single shot air operated grease guns, suitable
for bulk, cartridge or grease pump filling with greases up to
and including NLGI No.2 consistency.

A wide range of Macnaught greasing accessories including
Flexible Extensions, Needle Point Couplers, Adaptors and
Button Head Couplers are available from your Macnaught
dealer.

Please read and retain this instruction sheet to assist you
in assembly and maintenance of this product.

OPERATION

The Power-Pistol injects a single shot of grease at each
pull of the trigger, enabling the user to control the amount
of grease delivered. The trigger must be completely pulled
back to achieve maximum pressure. Exhaust air will exit
behind the trigger.

Always disconnect the air supply line before servicing.

SELECT FOLLOWER POSITION

Note:
Refer to Fig 1 for the correct follower position.

How to select Follower position

(Fig 1)

HOW TO BULK FILL BY SUCTION

Note: Select the correct follower position
(see Fig 1).

1) Lock follower (Fig 2).

2) Unscrew the barrel from the gun body 2 to 3 turns.

3) Pull the rod back and retain in barrel slot (Fig.3)

4) Unscrew the barrel from the gun body.

5) Release the follower rod from the barrel slot.

6) Insert the open end of the barrel into the grease, pull the rod

back slowly, and at the same time push the barrel into the
grease.
Pull back the rod until the groove in the rod appears then push
the rod into the barrel slot.

7) Wipe clean and screw the gun body assembly onto the
barrel.

8) Unlock the follower rod from the barrel and apply light
pressure on the pull handle (Fig.5), at the same time press the
ball in the filler bleeder until grease appears.

9) Connect the air and pull the trigger several times. If grease
does not appear at the coupler repeat step 8.

10) Unlock the follower rod and push the rod into the barrel.

Note: Should the gun fail to deliver grease refer to the Trouble

Shooting Guide on page 3.

(Fig 3)

(Fig 2)

Introduction

CAUTION

Include s m odels

K53-01
K54-01

Need Assistance?
Macnaught USA Inc [phone] [e-mail]

KP103 Issue19 © 2017 2

FAST FILLING WITH A J3 GREASE PUMP

Note: Select the correct follower position (see Fig 1).

1) Lock the follower rod (Fig 2).

2) Slide the filler bleeder valve into the nozzle on the pump

(Fig 4).

3) Fill with grease until the groove in the rod is visible at
the end of the barrel.

4) Repeat steps (8), (9), (10) refer (How to bulk Fill).

(Fig 4)

(Fig 5)

HOW TO INSTAL A CARTRIDGE

Note: Select the correct follower position (see Fig 1).

Repeat steps (1) to (2) above

1) Pull the follower rod back until the rod groove can be
pulled into the barrel slot.

2) Remove the large end cap from the cartridge.

3) Slide the large open end first into the barrel.

4) Remove the small end cap from the cartridge.

5) Screw the gun body assembly onto the barrel.

6) Repeat steps (8), (9), (10) as above.

PARTS DIAGRAM

(Fig 6)