Haldex Modular Dolly System (HMDS) -
Plumbing - Front Side
Haldex Modular Dolly System (HMDS) with Brake
Monitoring System (BMS) for Single Axle Dollies
Installation/Service Guide (L31298W)
PAGE 6
Haldex Push/Pull Valve Plumbing
WARNING: External connections, either tubing or electrical, MUST be made CORRECTLY for
proper function of the Haldex Modular Dolly System (HMDS). Failure to do so could result in
injury or death.
Air Reservoir
(1488 cu.in. min.)
5/8” Tubing
Single Axle
Reservoir
Delivery
Supply
All 3/8”
Tube
Haldex Push/Pull Valve
Leveling Valve
This connection MUST
be from the TOP or SIDE
of the reservoir.
3/8” Tubing
to RPV
From PPV (Supply Port)
Tee Fitting with a
Manual Drain Valve
