Invacare 6LXO2 Service Manual page 30

PROCEDURE 2
PROCEDURE 2 - PREVENTIVE MAINTENANCE (continued)
P
R
Removing the Piston Head and Teflon Ring
E (FIGURE 11)
V
NOTE: An Allen wrench may be inserted into the
connecting screw to keep to keep it from mov-
M
ing.
A
I
1. Remove the aluminum sleeve from the piston to
N
be rebuilt.
T
E
N
A
N
C
One (1) Piston
E
Rebuild ONLY
SHOWN for Clarity
5
L
T
R
C
O
M
P
R
E
B
U
I
L
D
Head Assembly
Aluminum Sleeve
Teflon Ring
Valve Plate
Eccentric Screw
Access Hole for
this Piston
FIGURE 11 - REMOVING THE PISTON HEAD AND TEFLON RING
2. Remove the four (4) phillips screws on the top
of the piston and remove the piston head and
Teflon ring.
3. Discard the old teflon ring.
4. Remove any debris from top of piston.
5. Repeat STEPS 1-4 for other piston.
Piston
Head
Connecting Rod
Screw Access Hole
for this Piston
30
PREVENTIVE MAINTENANCE
Mounting Screws
(4 per Head)
Head
Head Gasket
Valve Plate
Valve Plate
Gasket
Phillips Head
Screws
(4 per Piston
Head)
Eccentric Screw Access
Piston
Holes are opposite side of
Compressor Piston Set
Screw Access Holes.