BLACKMER HD161C - Valve Replacement; Valve Removal and Disassembly

VALVE REPLACEMENT
CB9A-021 page 18/24
When replacing the valves, it is important to install
the suction and discharge valves in the correct
location in the cylinder head.
NOTE: The valves may be removed without
removing the cylinder head from the cylinder. Be
sure to remove and replace the valve gaskets.
Failure to install compressor valves
properly can lead to component failure,
personal injury or property damage.
Hazardous pressure
can cause serious
personal injury or
property damage
Failure to install compressor valves
properly can result in leakage of
explosive gas creating an explosion
hazard, possibly causing severe
personal injury or death.
Hazardous gases
can cause property
damage, personal
in
ju
r
y
o
r
dea
th
Failure to install compressor valves
properly can result in extreme
discharge temperatures. This could be
an ignition source in the presence of
explosive gas possibly causing severe
personal injury or death.
Hazardous gases
can cause property
damage, personal
in
ju
r
y
o
r
dea
th
1. Remove the valve cap (or unloader assembly) and
O-ring from each valve.
2. Remove the valve hold down screw with a
spanner wrench (such as Blackmer PN 790535).
3. Valve Removal and Disassembly
160 Series Models:
a. Remove the valve cage (and unloader
plunger, actuator, and spring).
b. Remove the valve assembly and the valve
gasket.
c. Inspect the valve for wear or breakage.
d. Valve Repair
i. Unscrew the valve halves and remove the
spring and plate.
ii. Inspect and replace worn components.
iii. Reassemble valves as shown below and
tighten the valve halves together.
Fig. 10 -
Valve
Locations
Fig. 11 –
Typical Head Assembly with
Suction Valve Unloaders.
(300 Series shown)