Spicer Wheel Valve Rebuild Kit – Number 512888 User Manual

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Spicer

Axles & Brakes

P/N: SHAIS148

Wheel Valve Rebuild Kit – Number 512888

The following procedure describes the work required for rebuilding the Dana Tire Pressure Control System Wheel Valve Part number 673480. This requires the removal of the wheel valve from the vehicle. Follow the removal procedure from the Dana TPCS Service Manual AXSM-0010 to remove the wheel valve from the vehicle.

Removal Procedure:

1. Remove wheel valve filter (5) and discard. (See Service Manual AXSM-0010, page 31.)

2. Remove five cover bolts (13) and remove wheel valve cover (12).

3. Remove two springs from cover (11a & 11b).

4. Remove backing plate (inflate - smaller) (14).

5. Remove backing plate cup (deflate - larger) (10).

6. Remove the inflate (9b) and deflate (9a) diaphragms and discard.

7. Remove inflate seat (8b) and discard o-ring (7b).

8. Insert small drill or punch and push out inflate seat check valve (16) and discard.

9. Remove deflate seat (8a) and discard o-ring (7a).

10. Remove wheel valve body o-ring (15) and discard.

11. Remove exhaust valve flapper retainer (1) and discard.

12. Remove flapper (2) and discard.

13. Remove exhaust flapper backing (3).

14. Remove tank valve (6).

15. Clean wheel valve body (4) and cover (12). Then dry with compressed air.

10/03 1 of 2 SHAIS148A

Re-assembly Procedure:

1. Install tank valve (6) (Use joint compound; do not use Teflon

(3.4–5.1 N•m).

2. Install filter (5). (See Service Manual AXSM-0010, page 31.)

3. Insert inflate check valve (16) in the inflate seat (push with fingers, do not cut or pinch rubber). Do not lubricate.

4. Install o-ring (7b) on inflate seat, install in wheel valve body, and torque to 8–10 lb. ft. (10.8–13.5 N•m).

5. Install o-ring in deflate seat (7a), install in wheel valve body, and torque to 8–10 lb. ft. (10.8–13.5 N•m).

6. Install o-ring in wheel valve body (15).

7. Install new inflate (9b) and deflate (9a) diaphragms (part number side facing up toward cover).

8. Install backing plate (smaller) inflate side diaphragm (14).

9. Install backing plate (larger) on deflate side diaphragm (10).

10. Install springs (11a & 11b) in wheel valve cover (12) using a small amount of grease to hold springs in place.

11. Install wheel valve cover (12) using five bolts (13) and torque to 50–55 lb. in. (5.6–6.2 N•m).

12. Install exhaust backing plate (3), flapper (2), and retainer (1).

thread tape.) and torque to 30–44 lb. in.

13. Pressure test tire side with 100 psi and check for leaks.

If leaks are found, re-check procedure.

14. Pressure check inflate side with 100 psi, by blocking off tire side.

If leaks are found, re check diaphragm seats and o-rings.

15. Install wheel valve on vehicle (see Service Manual AXSM-0010).

16. Check for leaks.

Part Name Part Number Part Name Part Number 1 Retaining Ring 599993 3 Plate Support 300011 2 Flap Vent 599991 4 Body Wheel Valve 673300 5 Filter 599791 6 Tank Valve 673215 7a & 7b O-rings (Qty: 2) 599807 8a & 8b Seat (Qty: 2) 673285 9a & 9b Seal Diaphragm (Qty: 2) 673284 10 Inflate Backing Plate (small) 599990 15 O-ring 113542 11a & 11b Compression Springs (Qty: 2) 599985 16 Check Valve Kit 676579 12 Wheel Valve Cover 673300 13 Capscrew (Qty: 5) 300047 14 Deflate Backing Plate (large) 673768

Replacement Parts Reuse Parts

Toledo, Ohio 43697-0321

Dana Corporation

Commercial Vehicle Axle Division

PO Box 321

For spec’ing or service assista Or visit ou

r web si

te at: http:/

nce, call 1-8

www.spicerparts.com.

621-8084 24 hours a day, 7 days a week.

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