Slide Valve Indicator - Frick XJS 95 Service Manual

Table 1-1. XJS and XJF 95/120 CLEARANCE RECORD
Compressor Model ______________________
Serial Number _________________________
Assembled by __________________________
Date Assembled ________________________
Total rotor-to-casing clearance:
(Model 95 ± .021 – .027-inch • Model 120 ± .025 – .031-inch)
Roller bearing outer race width
Roller bearing inner race width
Rotor discharge throat length (dimension 8, Fig. 1-5a)
Outlet case throat length (dimensions R & S, Fig. 1-5b)
Calculated discharge end clearance
Estimated shim thickness
Estimated discharge end clearance
NOTE: When calculated discharge end clearance is greater than .003-inch, install shims in casing bore between
roller bearing and ball bearing.
NOTE: When calculated discharge end clearance is less than .0015-inch, install shims on rotor between
roller bearing and ball bearing.
Actual shim thickness
Location of shims (rotor or case)
Measured end clearance (.0015 – .003-inch)
NOTE: Use maximum air pressure of 100 – 120 psi.
Measured end play with bearing clamped
NOTE: Use maximum air pressure of 35 psi.
Number of teeth on drive gear __________
Jackshaft movement (.001 to .005-inch) __________
Slide valve indicator rod (.044 – .084); measurement is taken from face of nut
to tip of rod when compressor is unloaded.
Frick XJS and XJF Rotary Screw Compressor
Service Manual
DISCHARGE END CLEARANCE CALCULATION
Outlet Case Number ____________________
Rotor Case Number _____________________
Gear Cover Number ____________________
Rotor Number _________________________
(.0015 to .003-inch) ________
Number of teeth on pinion __________
Male
________
________
________
________
– ________ – ________
Total ________
________
________
________
________
________
MAXIMUM TRAVEL
S70-101SM
Page 27
Female
________
________
________
________
________
________
________
________
________
________
________
_______
_______