Ransburg DR-1 Plastic Fluid Regulator LREG5001 - Manual (Page 16)

TROUBLESHOOTING GUIDE
General Problem Cause Solution
No Flow
Will Not Shut Off
Paint Leakage
Air Leakage
Inconsistent Flow
1. Plugged inlet
2. Item 11 (Needle and
seat) stuck
3. No pilot air
1. Item 11 (Needle and
seat) dirty
2. Pilot air not shut off
1. Item 4 (screws) loose
2. Ruptured Item 8 (lower
diaphragm)
3. Loose fluid fittings
4. Pinched Item 10 (o-ring)
1. Loose air fitting
2. Item 4 (screws) loose
3. Ruptured Item 14 (cen-
ter diaphragm)
1. Incorrect regulator ratio
used
2. Diaphragm stretched
from excessive air pres
sure
3. Ruptured Item 9 (upper
diaphragm)
4. Inconsistent air pilot
sup- ply
5. Low inlet fluid pressure
1. Flush clean
2. Remove and clean or replace
3. Check air pilot
1. Remove and clean or replace
2. Check air supply
1. Tighten per "Assembly Procedures"
2. Rebuild regulator
3. Tighten
4. Replace
1. Tighten
2. Tighten per "Assembly Procedure"
3. Rebuild regulator
1. Refer to "Operation" section for correct
sizing information
2. Rebuild regulator
3. Rebuild regulator
4. Check air source
5. Inlet pressure must be at least 10 psi
above outlet pressure, 100 psi maximum
DR-1 Plastic Fluid Regulator - Maintenance
Ransburg
13 LN-9221-00.7