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Troubleshooting – Nexen TL50A/4-E 803017 User Manual

Page 10

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10

FORM NO. L-21174-E-1209

Old Rotary Seal Design

New Rotary Seal with Flexible Lip Design

FIGURE 6

TROUBLESHOOTING

SYMPTOM

PROBABLE CAUSE

SOLUTION

Failure to Engage

Insufficient air pressure to the Torque
Limiter.

Check the air lines for leaks and replace damaged
air lines.

Damaged or leaking O-ring Seals.

Replace the O-ring Seals.

Driven load is too light.

Back off air pressure and use shielded bearings.

Failure to Disengage

Broken Compression Springs.

Replace the Compression Springs.

Air not exhausting from the Quick Exhaust

Shuttle Valve.

Replace the Quick Exhaust Shuttle Valve.

Ratcheting

Insufficient air pressure to the Torque
Limiter.

Check the air lines for leaks and replace damaged
air lines.

Damaged or leaking O-ring Seals.

Replace the O-ring Seals.

Nuisance Tripping

Proximity Sensor not properly adjusted.

Adjust the Proximity Sensor (See
ADJUSTMENTS.)

Hub

Ball Seat

(included in

Drive Flange

Assembly)

Drive Flange

Assembly

Ball (included

in Drive Flange

Assembly)

Ball

Bearing

Ball

Bearings

Backing

Plate

Drive Disc

Compression

Spring

Ball

Bearing

Piston

O-ring

Seal

Backup

Ring

Seal

Dowel Pin

Proximity

Sensor

Mounting

Bracket

Back-Up

Ring Seal

O-ring

Seal

Ball

Bearing

NOTE: Rotary seal style/location has changed. All

components are identical between models other

than the rotary seal and components it comes in

contact with. The TL20A-E continues to use the

Old rotary seal style and location.