ASE 150 Operator’s Manual
82 Doc. 065207-02 9/08
4. Remove the left end plate from the cylinder, exposing the piston (see
Figure 5-15
).
5. To remove the piston air seal from the left end plate (see Figure 5-16
),
insert the wooden end of a cotton-tipped swab and pry out the seal.
Discard the seal.
6. Insert the new piston air seal (P/N 066163), with the closed end
facing down, into the end plate. Gently press the seal into place with a
cotton-tipped swab (or other tool with a soft tip).
Figure 5-15. Removing the Pump Left End Plate
Do not use a sharp tool (such as tweezers) to remove or install the
piston air seal. This will scratch the seal and the inside of the pump
housing; these scratches will prevent a proper seal and allow leakage.
Figure 5-16. Removing the Piston Air Seal
Left End Plate
Piston
Left End Plate
Piston
Piston Air Seal
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