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Hydraulic Control Assembly - Antilock Brakes > < Brake Proportioning/Combination Valve|Inspection|Page 4255
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Brake Proportioning/Combination Valve: Service and Repair
Installation

INSTALLATION 

1) Install proportioning valve to bracket.
2) Connect brake pipes correctly to proportioning valve.
3) Bleed air, then check each joint of brake pipe for oil leaks.

Tightening torque:

Proportioning valve to brake pipe flare nut:

15 +3/-2 Nm (1.5 +0.3/-0.2 kg-m, 10.8 +2.2/-1.4 ft-Ib) 

Proportioning valve to bracket:

18 ± 5 Nm (1.8 ± 0.5 kg-m, 13.0 ± 3.6 ft-Ib) 

Hydraulic Control Assembly - Antilock Brakes > < Brake Proportioning/Combination Valve|Inspection|Page 4255