Excalibur 712 Instructions d'exploitation télécharger pdf (Page 10)

Page 10

LOCK COLLAR MAINTENANCE INSTRUCTIONS

DISASSEMBLY:

1. Leave Excali-Bar

on towing vehicle or clamp hitch tube

in heavy-duty vise.

2. Pull back the Lock Collar (#6) and push the Rear Leg (#7)

approximately halfway in. This will hold the Lock Collar in

the release position.

3. Remove the snap-ring (#8).

4. While holding Lock Collar, pull rear connecting leg out-

ward to the latch position and collar will then slide off outer

tube and hang on rear leg. Inside of lock collar (#6) can

be cleaned at this time. Lock pawls (#11) can be removed

at this time for cleaning by pushing rear leg (#7) back into

outer tube about 1", this will push lock pawls out for

removal. If not removing shaft go to step 7. For shaft

removal or o-ring replacement; Remove caplugs (#1)

from the Front Connecting Leg Tube (#2) and unbolt

Connecting Clevis (#3) from Rear Connecting Leg (#7) by

removing the 1/2" x 3" bolts (#4), washers (#5) and

locknuts.

5. Remove Lock Collar (#6), Lock Spring (#9), and O-rings

(#10).

6. Slide out Rear Leg, be careful not to damage the shaft

seal.

7. Clean o-ring groove area and square hole in outer tube

and lock pawls (see Figure A for reference). Lubricate

lock pawls and square holes where they fit with a lite coat

of copper anti-seize (included with Excali-Bar

Part num-

ber 10173). Also apply anti-seize to collar as shown in

Figure B (shaded area). Inspect all parts for excessive

wear.

8. Reassemble this leg, If shaft not removed, go to step 3 of

reassembly. Repeat steps for other side.

REASSEMBLY:

1. Reinstall o-rings (#10) on outer tube. (Note location in

Figure A)

2. Slide rear leg into front connecting leg tube, being carefull

not to damage shaft seal (see Figure A). A slight twisting

motion will aid in the installation. Slide the rear leg in untill

the shaft groove matchess up with the square pawl holes.

3. Replace the two square lock pawls (#11) into the tube

insert. NOTE: Lock pawls can be installed only one way.

Top side of lock pawl has a lip on it that must be to the rear

of outer tube (Toward towed vehicle end see Figure A).

4. Replace Lock Spring (#9) and Lock Collar (#6).

NOTE: The smaller end of the tapered lock spring (#9)

must be against the Lock Insert part of the Front Connect-

ing Leg.

5. Pull Lock Collar back and slide the rear leg in approxi-

mately halfway. This will hold the Lock Collar in the

release position.

6. Replace the snap-ring (#8).

7. Reattach Connecting Clevis (#3) on Rear Connecting

Leg (#7) with the 1/2" x 3" bolts (#4), washers(#5) and

locknuts. Tighten bolts until clevises are just snug.

8. Reinstall the caplug (#1).

Figure B

Rear Leg

Front

Connect-

ing Leg

Tube

O-Rings

Spring

Snap Ring

Shaft Seal

Lock Pawl

Collar

Figure A

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16

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Excalibur 712 Instructions d'exploitation Page 10

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