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Summary of Contents for Frick XJS 95
- Page 1 S70 - 101 SM/NOV 94 File: SERVICE MANUAL - Section 70 Replaces: Nothing (New Information) Dist: 3, 3a, 3b, 3c Service Manual ROTARY SCREW COMPRESSORS XJS and XJF 95/120...
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Page 2: Table Of Contents
S70 - 101 SM XJS and XJF Rotary Screw Compressor Page i Service Manual TABLE OF CONTENTS GENERAL General Maintenance ................................3 Preventive Maintenance Inspection ............................ 3 Torque Specifications ................................3 Special Tools and Test Equipment ............................4 Safety Precautions ................................4 General Safety Practices ............................... -
Page 3: General
PREVENTIVE MAINTENANCE INSPECTION AND SERIAL NUMBER SERVICE A - 95S B - 95M Frick Model XJS and XJF 95/120 Rotary Screw Compressors C - 95L are designed and manufactured to the highest engineering and D - 120S E - 120M... -
Page 4: Torque Specifications
534C0521G01 534C0520G01 promoting safety during routine operation, service, inspec- 8mm Seal Installation and 534C0523H01 534C0387H01 tion, and maintenance of Frick compressors. This informa- Removal Tool tion, combined with standard industry safety practices, lo- 8mm Disc Bearing Puller 534C0528G01 534C0529G01 8mm Disc Bearing... - Page 5 10. NEVER alter compressor from original design. Only those alterations approved by Frick Company and/or performed by 1. If you are not familiar with this particular Frick compres- authorized Frick service personnel are permitted. sor, take time to read the operator’s manual (IOM) before attempting to run the unit for any purpose.
- Page 6 S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 6 Service Manual Figure 1-2. Shaft Seal, Jackshaft, Gears, Rotors and Bearings Sectional View.
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Page 7: Section 1 - Compressor Disassembly
Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 7 1.0.2 COMPRESSOR – ASSEMBLY. Compressor assem- bly shall be accomplished in the following order: SEAL SEAT 1. Compressor Suction Strainer Cleaning and Installation (Refer to paragraph 1.5.2). 2. Rotors and Bearings – Installation (Refer to paragraph 1.4.2). -
Page 8: Installation
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 8 Service Manual 8. Install oil line elbow (2, Figure 1-1) in seal housing. 9. Install oil supply tubing (3, Figure 1-1) on elbow located SEAL SEAT on gear cover. 10. Place new o-ring (8) on seal housing and install seal housing over jackshaft, using care not to damage carbon- faced seal. - Page 9 When threaded hole in slide stop is located, insert information necessary for qualified personnel to replace the 8mm screw (Frick p/n 111Q0740796) through oil drain hole jackshaft bearings, including required compressor disassembly. and thread into slide stop.
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Page 10: Slide Valve And Slide Stop Sectional View
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 10 Service Manual Figure 1-4. Slide Valve and Slide Stop Sectional View. - Page 11 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 11 6. Thread T-wrench into slide stop piston (26, Figure 1-4); 10.With gear cover elevated on wood blocks, remove jackshaft remove slide stop piston with glyd-ring (10, Figure 1-4) and and gear assembly from cover by tapping on outboard end of o-ring (11, Figure 1-4).
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Page 12: Section 3 - Jackshaft And Gears
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 12 Service Manual 1.2.1 JACKSHAFT AND GEARS – REMOVAL. (CONTD) 6. Install retaining ring (12) in gear cover (52). Ensure that tool is against outer 14. If necessary, remove inner race of roller bearing (11) from... -
Page 13: Removal
Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 13 10. Press outer race of four-point bearing into gear cover, Protective, heat-resistant gloves using seal housing (4); remove seal housing. must be worn when installing bear- WARNING ing inner race. - Page 14 S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 14 Service Manual 4. Place suitable drain pan under slide stop cover (30); remove 7. Thread T-wrench into slide stop piston (26); remove capscrews (7, Figure 1-2) securing slide stop cover to gear piston with its glyd-ring and o-ring.
- Page 15 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 15 2. By inserting your hands through the suction ports, move 11. Remove unloader spring (22) and spring support (23). the s.v. into the discharge port so that the s.v. guides are securing the s.v.
- Page 16 With finger through oil drain hole, push in against spring force and feel along bottom of slide stop. When threaded hole in slide stop is located, insert an 8mm screw (Frick p/n 111Q0740796) through oil drain hole and thread into slide stop. STEPPER PISTON...
- Page 17 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 17 20. Push stepper piston against spring and remove 8mm screw threaded into slide stop (25), through oil drain hole; with hand pressure against piston, remove T-wrench. 8MM T-WRENCH STEPPER PISTON 7.
- Page 18 S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 18 Service Manual 15. Remove angle contact ball bearings and shim, if used, 12. Install Discharge Ball Bearing Removal Tool on nondrive from female rotor bore in discharge casing. Label any shims end of male rotor shaft.
- Page 19 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 19 20. Remove female rotor from rotor casing. Place rotor on ALWAYS tap against outer race – CAUTION cardboard or wooden surface. Rotor may require rebalancing. NEVER on ball and cage.
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Page 20: Installation
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 20 Service Manual 8. Place discharge casing, with flange down, on work surface 12. Place new o-ring (45) in groove in discharge end of rotor and install two o-rings (23) and gas seals (24) in casing. - Page 21 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 21 14. If same rotor pair is to be reinstalled, place original shims inner race of roller bearing and inner race of ball bearing. If (removed in steps 14 and 15 of paragraph 1.4.1) over male and clearance is greater than .003-inch, install shims in casing bore...
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Page 22: Section 5 - Rotors And Bearings
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 22 Service Manual 25. Using Discharge Ball Bearing Installation Tool, install With bearing clamped, record male rotor “measured” end inboard half of inner race of four-point contact ball bearing play in Table 1.1 for future reference (should be within (34) on male rotor shaft. -
Page 23: Installation
Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 23 BEARING INSTALLATION MALE ROTOR INSTALL BALL BEARINGS WITH IDENTIFICATION MARK ON THIS SIDE ONLY. WHEN SHIMS ARE REQUIRED, INSTALL BETWEEN OUTER RACES TO DECREASE DISCHARGE END CLEARANCE - INSTALL 1. -
Page 24: Cleaning And Installation
S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 24 Service Manual 1.5 COMPRESSOR SUCTION STRAINER. This procedure NOTE: Index numbers refer to Figure 1-7, unless other- provides the information necessary for qualified personnel to wise noted. remove, clean, and reinstall the compressor’s suction strainer. - Page 25 Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 25 DISCHARGE BEARING ORIFICE MAIN OIL INJECTION ORIFICE See Figure 1-9 for location of oil feed orifice hole. The orifice holes shown require cleaning to ensure proper oil flow.
- Page 26 S70-101SM Frick XJS and XJF Rotary Screw Compressor Page 26 Service Manual DISCHARGE BEARING ORIFICE ON COMPRESSOR WITH CONTROL VALVE MOUNTED ON DISCHARGE HOUSING MAIN OIL SUPPLY HIGH VI LIQUID INJECTION ROTORS C L MOUNTING HOLE ECONOMIZER LOCATION OF MAIN OIL INJECTION...
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Page 27: Slide Valve Indicator
Frick XJS and XJF Rotary Screw Compressor S70-101SM Service Manual Page 27 Table 1-1. XJS and XJF 95/120 CLEARANCE RECORD Compressor Model ______________________ Outlet Case Number ____________________ Serial Number _________________________ Rotor Case Number _____________________ Assembled by __________________________ Gear Cover Number ____________________... - Page 28 100 CV Avenue, P.O. Box 997 Waynesboro, Pennsylvania USA 17268-0997 Phone: 717-762-2121 • Fax: 717-762-8624 • www.frickcold.com Printed in U.S.A. Subject to Change Without Notice...
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