6.0 PUMP REASSEMBLY
Pump parts are referenced in the instructions below using the following notation: Diagram
#/Item #. (For example, 4/2 refers to Diagram #4, Item #2.) For pump reassembly of wet parts,
skip ahead to step 6. To begin pump reassembly of dry parts, you will need the following tools:
. (1) Torpedo level
. (2) 3/4'' Open end wrench
. (1) 1'' Combination wrench
. (1) Adjustable wrench
. (1) Ratchet with extension
. (1) 9/16'' Socket
. (1) 7/16'' Socket
1. After Assemblies A, B and C are installed, use the adjustable wrench to install the muffler
(1/7). Next, position the air inlet filter (1/6), and use the 1'' combination wrench to install the air
inlet cap (1/11) back onto the center block (1/1).
2. Install the center block gaskets (1/2).
3. Install the air chambers (2/3) on both sides of the center block with the bolts (1/12) using the
9/16'' socket, ratchet and extension.
4. Assemble one diaphragm (2/1), inner piston (2/5), and outer piston (2/6) to one side of the
shaft (2/4). Make sure you align the diaphragm correctly. (One face of the diaphragm is labelled
'AIR SIDE'. Make sure this face is in contact with the inner piston. Use the 7/16'' socket, ratchet
and extension to attach the diaphragm to the outer pistons with the nuts (2/10). Make sure the
piston inner washer (2/7) is correctly positioned in the recessed edge at the end of the shaft.
Push this assembly through the center block, attach the opposite diaphragm, inner piston, outer
piston, and inner piston washer and tighten securely using two 3/4'' open end wrenches.
5. Slide the shaft/piston assembly entirely to one side, so that one diaphragm is as far from the
center block/air chamber as possible, and the other diaphragm is nested in the opposite air
chamber. Fold the diaphragm furthest from the center block inwards (towards the center block)
so that the outer rim of the diaphragm sits in the concave groove along the inner rim of the air
chamber.
All dry parts of the pump are now reassembled. The following instructions detail the
reassembly of the pump wet parts.
(Pump reassembly continues on next page.)
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