Heavy Duty Balanced Opposed Compressors - Ariel Corporation

FOR MODELS: JGZ AND JGU SECTION 5 - MAINTENANCE
Spanner Wrench Adapter
- Mounted on the Crosshead-Balance
Nut with
(3) Special Shoulder
Bolts. Position the Open
area toward the Spanner
Wrench. Do not index
open area greater than
90° or spanner wrench
can become sprung. SEE
CAUTION ON PAGE 5-14.
Special High Strength
Shoulder Bolts (3),
Provided with Tool
Crosshead-
Balance Nut
Spanner
Wrench
Reconfigure Tool
with cylinder set
to push against
the top of the
window for tightening
the
nut.
10,000 psi (690 bar) Rated Cylinder with
2.13 in. (54 mm) Stroke, Single Acting/
Spring Return. Separately Purchased Hand
Pump Kit (G-12639) is Recommended to
Power the Cylinder.
FIGURE 5-10 CROSSHEAD-BALANCE NUT HYDRAULIC TORQUE TOOL (G-12645) -
SHOWN FOR LOOSENING THE NUT - TYPICAL
BICERA Type Crankcase Over-Pressure Relief Valves
If the compressor is equipped with BICERA type crankcase over-pressure relief valves
installed on the crosshead guides, inspect and exercise the valves periodically as required
in Section 6, and after any over pressure occurrence. Be sure that the valves function properly
and that the seals are in good condition.
Customized re-build kits for BICERA type relief valves are available from Ariel Corporation.
See the Ariel Parts List of a specific compressor for the valve part numbers and table below
for the re-build kit part numbers. Refer to the instruction sheet included with the kits for more
information.
TABLE 5-1 BICERA TYPE VALVE RE-BUILD KIT PART NUMBERS
BICERA Valve - Ariel Part No. Valve Model Re-build Kit - Ariel Part No.
B-2370 4AW B-2370-K
B-1566 4AW B-1566-K
B-1115 4AB B-1115-K
B-1496 6AB B-1496-K
B-3709 6AB B-3709-K
B-4481 10RD B-4481-K
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