System Components; Bleed Type Motor Air Valve (Ma); Air Pressure Relief Valve (Mg) - Graco XP-H Series Operation, Repair, And Parts

System Components

System Components
* Indicates a customer-supplied component required to
add to Bare Pump Packages (part numbers ending in
zero "0") to make a complete system.

*Bleed Type Motor Air Valve (MA)

Trapped air can cause the pump to cycle
unexpectedly, which could result in serious injury
from splashing or moving parts. Use the Bleed Type
Master Air Valve to relieve trapped air.
Be sure the valve is easily accessible from the pump
and located downstream from the air regulator (MB).
The two steps below are required in your system to
relieve air trapped between the air motor when the valve
is closed:
1. Open the valve to supply air to the motor.
2. Close the valve to shut off air to the motor, and
bleed any trapped air from the motor.
20

*Air Pressure Relief Valve (MG)

Automatically opens to relieve air pressure if supplied
pressure exceeds preset limit. Use the correct air
pressure relief valve for the system ratio:
MG
See Models (page 10) for Maximum Regulated Air
Pressure to ensure proper air pressure relief valve
installed.
XP35
Ratio Valve Ratio
1:1 114055 1:1
2:1 16M190 1.5:1
2.5:1 113498 2:1
3:1 114055 2.5:1
4:1 103347 3:1
3.3:1
4:1
XP50 XP70
Valve Ratio
113498 1:1 114055
103347 1.5:1 116643
113498 2:1 114055
114055 2.5:1 113498
113498 3:1 113498
103347 4:1 113498
113498
3A0420ZAF
Valve