Spicer TPCS Troubleshooting Guide: Older Systems (ECU's w_Dual Connectors) - Manual (Page 17)

17
General Service Guidelines
Air Filter Change
Figure 5 shows the location of the air filter in each wheel valve. This filter
must be replaced whenever the tire or wheel valve is serviced.
Use the illustration as a reference in completing the air filter replacement
as follows:
Caution: Do not Crush the air filter when installing the JIC flare.
1. Working quickly to prevent air loss, remove the tire hose assembly
from the fitting on the outlet port of the wheel valve. Cap hose to
prevent air loss.
2. Remove JIC flare from 9/16"­18 straight thread 0­ring fitting.
3. Use a screwdriver to dislodge the air filter from the wheel valve.
Discard the used air filter.
Note: Air filters cannot be cleaned or reused, always replace with a new
air filter.
4. Install new air filter into wheel valve outlet port.
5. Install JIC flare to wheel valve outlet port and torque to 16­19 lb.ft.
6. Install tire braided hose assembly to wheel valve outlet port and
torque to 16­19 lb. ft.