54
T51002 E
InstallatIon, servIce and troubleshootIng Procedures
8. Test for air leaks by listening or using soapy
water. Refer to CHECKING FOR AIR LEAKS on
page 44.
9. Perform MANUALLY CHECK TIRE PRESSURE on
page 46 for at least two tires.
10. Check target pressure:
For CP -
CHECKING CP DELIVERY
PRESSURE on page 48
For PRO -
CHECKING PRO COLD TARGET
PRESSURES on page 51
WHEEL REMOVAL AND INSTALLATION
Set parking brakes and disable the system before
wheel removal.
1. Close supply valve on the supply line to shut off
pressure to the system.
2. Turn vehicle off and disconnect tire hose(s) at
both ends (Figure 24 on page 23).
3. Observe and record wheel orientation (clocking)
Refer to Figure 22 on page 22.
4. Remove wheel(s) as needed.
NOTICE: Take care not to damage the hubcap
port and threads.
5. Install new or repaired wheel(s) as needed,
making sure the wheel is properly oriented as
recorded in Step 3.
Figure 54:
Reattaching tire hoses to tire valve stem
6. Attach tire hose(s) to tire valve stem(s) and
tighten finger tight (Figure 54).
NOTE: Tire hoses must be connected directly to the
tire valve stems and hubcap port. Do not use
valve stem extenders.
7. Using a 7/16 inch wrench, tighten tire hose /
valve stem connection an additional one-half turn
(Figure 54). Do not overtighten this connection.
Ensure hose connections are tight enough that,
when moving the hose back and forth, it does not
cause the connection to move.
IMPORTANT: Hold tire hose with free hand to prevent
side loading and avoid cross threading.
The knurled nut should easily turn 3 to
4 rotations by hand. Any drag before 3
turns suggests cross threading.
8. Reattach tire hose(s) to hubcap, hand-tighten.
Using pliers, carefully and gently verify the hose
connection is tight.
NOTE: Tire hoses must be connected directly to the
tire valve stems and the hubcap. Do not use
valve stem extenders.
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