Heavy Duty Balanced Opposed Compressors
Heavy Duty Balanced Opposed Compressors
Heavy Duty Balanced Opposed Compressors
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FOR MODELS: JG AND JGA SECTION 1 - DESIGN SPECIFICATIONS & DATA<br />
Discharge Seat<br />
Tightening Torque Procedures<br />
Bottom Views<br />
FIGURE 1-9: SPIRALOCK THREADED VALVE ASSEMBLY - MARKED SPL<br />
TOP - LOCKING<br />
BOTTOM HALF<br />
FIGURE 1-10: DRAKE LOCK NUT<br />
Suction Guard<br />
Listed below are some procedures which make fastener tightening more accurate and will<br />
help ensure that the proper torque is being applied.<br />
1. Ensure that the torque wrench is properly calibrated and used by qualified personnel<br />
to achieve the required fastener tightening torque for all critical parts, except for<br />
the crosshead balance/lock nut which may be tightened using the “tried and true”<br />
slugging procedure.<br />
2. Always check to determine over what range the torque wrench is accurate since<br />
most torque wrenches are not accurate over their entire range.<br />
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