S70-101SM
Page 8
Frick XJS and XJF Rotary Screw Compressor
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
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.
11. Install end of oil supply tubing into elbow on seal
housing, ensuring that roll pin (57) in gear cover (52)
engages hole in seal housing; align elbow with oil supply
line, as necessary.
12. Secure seal housing to gear cover with capscrews (7);
tighten capscrews evenly, in crisscross pattern, to a torque
value of 58 foot-pounds (79 Nm).
13. Tighten nuts at elbows of oil supply line (2, Figure 1-1),
which are located on seal housing and gear cover.
14. Install seal seat backup ring (3) and clamp collar (2) over
jackshaft (1) and against rotating seal seat.
OIL STRAINER
7. Install new oil strainer, p/n 534A0342H01, in gear cover oil
supply line elbow port.
4. Place seal housing on workbench, with outboard side down.
Coat new o-ring with clean refrigerant oil; install o-ring in
groove in seal housing, located in stationary carbon bore.
5. Coat carbon-faced seal with clean refrigerant oil.
6. Carefully place carbon-faced seal assembly, with carbon
end up, in seal housing. Using nonmetallic Seal Installation
Tool and being careful not to touch carbon, push seal assembly
(hand pressure only) into seal housing until it is evenly
seated, with no gap between seal and housing.
NON-METALLIC
SEAL INSTALLATION
TOOL
CARBON-FACED
SEAL
SEAL SEAT
JACKSHAFT
Before installing seal housing, en-
sure that feed hole below elbow is
free of obstructions.
SEAL SEAT
BACKUP RING
CLAMP COLLAR
15. Using Clamp Collar Installation Tool, tighten clamp
collar and seal seat backup ring against rotating seal seat to
a torque value of 30 foot-pounds (40.7 Nm). (See Figure 1-3.)
16. Tighten collar Allen-head bolt; remove Installation Tool.
CLAMP COLLAR
INSTALLATION
TOOL
17. Install flexible drive coupling. (Refer to S70-101 IOM.)
18. Evacuate compressor and oil separator. (Refer to S70-
101 IOM.)
CAUTION
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