Macnaught A2 Instruction Manual

AA8
0206
0007
MODELS A2 and A2H MULTI-PURPOSE DRUM PUMP
Thank you for purchasing either a Macnaught model
A2 or A2H Multi-Purpose Drum Pump.
Model A2H is supplied complete with hose
assembly and nozzle.
Please read and retain this instruction sheet to assist
you in the maintenance of this quality product.
FEATURES
* Fits 60-205 litre drums.
* Convenient bung opener cast on the pump head.
* Pumps 250 ml/stroke (approx).
* Pumps most liquids up to SAE90 viscosity.
* Nickle chrome plated pump rod and deep packing for
smooth action and long life.
* 19mm hose can be fitted.
* Self cleaning valves help prevent blockages.
* Brass piston rings for efficient pumping.
DESCRIPTION
The A2 and A2H Multi Purpose transfer pump is a high
quality transfer pump designed to pump diesel fuel,
lubricating oils (up to SAE 90) and a wide range of
non-corrosive fluids. Simply by replacing the suction tube
'O'ring with one of the other O'rings supplied with the
pump you will be able to pump a wide range of solvents
and chemicals (Refer to the compatibility chart for the
correct "O'ring selection)
Fig 1
Note: Models A2 and A2H are supplied with various
seals to suit a wide variety of chemicals and solvents.
If you require replacement seals order service kit
A2-1K.
INSTRUCTION MANUAL
TROUBLE SHOOTING
TROUBLE
Hard to pump
Pump fails to
prime
Model A2H
CAUSE
a) Gland nut is screwed down a) Adjust gland nut
too tightly.
b) Handle is positioned on the b) Adjust handle position refer to Fig 2
wrong setting for heavy oils.
c) Replace piston rod and piston
c) Bent piston rod
assembly
a) Footvalve ball is not seating. a) Remove the footvalve assembly
from the pump, clean and reseat the
footvalve ball. Using sealant,
reassemble the footvalve assembly
to the pump.
b) Piston valve is damaged b) Replace the Piston Rod and Piston
and is not seating assembly.
Fig 2
REMEDY