Page 302 - Reciprocating Compressors Operation Maintenance

Overhaul and Repair of Reciprocating Compressors 287

Scribe Scribe
Line WN_ Degrees Line (A)
from Curve Mark Socket
Hare
Point

PISTON

Scribing Rod. Nut and Piston
A B
FIGURE 4-37. Alternative torque application method.

NO. THREADS & LENGTH L. TO FIND 6"
12

10

OVERTIGHTEN BY 6 TO ACHIEVE
PROPER PRE-3TRES8
EXAMPLE
• PITCH ROD - T" BETWEEN

NOTE! THIS CURve AFPUBS TO ALL NSTON* WITH STBAICHT BOMS.
DO NOT USE THIS CURVB ON PISTONS THAT USE MODS WITH
A TAKM PIT.
NOTE'- LENGTH V IS TOTAL DISTANCE BETWEEN
PISTON ROD COLLAR AND THE NUT FACE.
FIGURE 4-38. Torque application nomograph.