815222302 datasheet(8/28 Pages) MAGNETROL

8 / 28 page

50-605 Kotron RF Point Model 80/81 Level Switches

2.5.2 Integral Mount with Flexible Probe

Caution:

Flexible probes are shipped with the cable clamp and the

probe nut hand tightened. The end of a flexible probe

MUST be secured to the bottom of the tank by either

attachment to a bracket or to a heavy weight in order to

keep the probe taut.

1. Unscrew probe from probe housing. Remove Mylar® hous-

ing insulator located over the clamp. Refer to Figure 7.

Caution: Do not discard Mylar housing insulator.

2. Attach weight (if used) to probe end.

3. Insert probe end through tank mounting bushing and feed

cable into the tank. Do not allow probe insulation to be

damaged by scraping against the bushing threads.

Caution: Probe cable must not be in contact with anything metallic

in its final installation position.

4. Secure lower end of probe (or optional weight) to tank

bracket if one is used. Refer to Figure 7.

5. Apply thread sealant to mounting nut.

6. Screw mounting nut into tank bushing until tight.

Caution: Apply wrench to lower probe nut only.

NOTE: Do not allow the probe to fall in the tank while following steps

7 through 11.

7. Loosen both socket clamp screws.

8. Pull clamp and Teflon® retaining bushing off probe.

9. While holding probe cable, loosen upper probe nut.

10. Pull excess cable up through probe nuts until cable is taut.

11. Tighten the probe nuts.

12. Cut off cable 1.35 inches (34 mm) above top of upper

probe nut and strip off 1.25 inches (32 mm) of insulation.

13. Slide Teflon retaining bushing onto cable and seat it into

the upper probe nut.

14. Slide clamp onto cable and seat it in the Teflon retaining

bushing.

15. Tighten both socket head clamp screws to approximately

35 in./lbs. torque.

16. Slip Mylar housing insulator over clamp.

17. Screw housing onto probe and tighten. Make sure conduit

connection is properly aligned for wire entry.

Caution: Check probe terminal connection carefully to be certain

lug will not short to packing gland or interfere with assem-

bly of amplifier housing to probe.

18. Proceed to Section 2.7, Wiring on page 8.

Probe Connection

Screw

Socket Head

Clamp Screws (2)

Upper Probe

Mounting Gland

Lower Probe

Mounting Gland

Mylar Housing

Insulator (slips

over clamp)

Teflon

Retaining

Bushing

Clamp

Optional Weight

Tank Bracket

Connection

Optional

Mounting

Bracket

(Used w/

Insulated

Probes)

Probe Locking

Set Screw

Flexible

Probe

Termination

Figure 7

Flexible Probe Assembly

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