Spicer TPCS Troubleshooting Guide Bedienungsanleitung PDF herunterladen (Seite 66)

Service Procedures

Troubleshooting Wheel End Seals

Perform an air seal pressure check as follows (refer to

"Wheel End Seals" illustration).

1. Connect a hose from a pressure

reservoir, 2" ID x 12"

long with 2' long 3/8" hose (or equivalent volume),

to the inlet tube.

2. Plug hub air port with a 3/8" pipe plug or 9/16-18

strai

ght thread O-ring plug, as appropriate.

3. Open the valve from the air supply line and stabilize

the pressure in th

e reservoir to 100 PSI minimum.

Close air supply valve. Rotate

the hub assembly while

monitoring the pressure gauge. The pressure reading should

not drop more than

15 PSI in 20 seconds.

Note: If the air l

eakage exceeds 15 PSI in 20 seconds, the hub

may need to be rotated several times to ensure a

complete pressure seal.

If air leakage rate remains outside of accepted limit, locate

sour

ce of leak:

• Loose Fittings.

• Spindle/Sleeve Outer O-ring.

• Air Seals.

Refer to the Service Manual for

replacement procedure.

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Spicer TPCS Troubleshooting Guide Bedienungsanleitung Seite 66