Wilkerson BB3 - Manual (Page 2)

BB3 Brass Filter / Regulator Series 84-037-000
Figure 1
BB3 Filter / Regulator
Servicing Filter Element - (Refer to Figure 1)
1. Unscrew and remove bowl.
2. Unscrew the filter holder from body and then remove element.
3. Clean all internal parts and bowl before reassembling.
4. Install new element. IMPORTANT: The Filter / Regulator will not
operate properly if the deflector is not installed properly. The deflector
must be installed between the filter stem and the filter body.
5. Attach filter holder and finger tighten firmly.
6. Replace bowl seal. Lightly lubricate new seal to assist with retaining
it in position.
7. Install bowl into body and tighten; hand tight, plus 1/4 turn.
Servicing Regulator - (Refer to Figure 1)
1A. On BB3, disengage the adjusting knob by pulling upward. Turn
adjusting knob counterclockwise until the compression is released
from the pressure control spring.
1B. On BB3 with tamper resistant control, do not adjust setting.
2. Remove the bonnet and bowl assemblies by unscrewing the bonnet
and bowl from the body.
3. Remove diaphragm assembly from bonnet assembly.
4. Remove filter stem, filter element, poppet assembly, poppet return
spring.
Service Kits Available
Description w/ Plastic Bowl w/ Metal Bowl
Automatic Drain GRP-96-813 GRP-96-813
Manual Drain GRP-96-812 GRP-96-812
Element (5 Micron) FRP-96-806 FRP-96-806
Bowl, Manual Drain GRP-96-808 GRP-96-810
Bowl, Piston Drain GRP-86-809 GRP-96-811
Gauge 0-160 PSI GRP-95-227 GRP-95-227
Gauge 0-60 PSI GRP-95-228 GRP-95-228
Tamper Resistant Kit RRP-96-822 RRP-96-822
Regulator Repair Kit
(Relieving)
RRP-96-819 RRP-96-819
Regulator Repair Kit
(Non-Relieving)
RRP-96-820 RRP-96-820
Sight Glass RRP-96-823 RRP-96-823
Service
Caution: Disconnect or shut off air supply and exhaust the
primary and secondary pressures before servicing unit.
Turning the adjusting knob counterclockwise does not vent
downstream pressure on non-relieving regulators.
Downstream pressure must be vented before servicing
regulator.
Caution: Do not use synthetic oils such as esters. Do not use
silicones.
Note: After servicing unit, turn on air supply and adjust regulator
to the desired downstream pressure. Check unit for leaks. If
leakage occurs, do not operate - conduct repairs and retest.
!
!
5. Clean and carefully inspect parts for wear or damage.
If replacement is necessary, use parts from service kits. Clean
bowl.
6. Lubricate o-rings with grease found in service kits.
7. Install poppet return spring, poppet assembly, and filter holder.
IMPORTANT: The Filter / Regulator will not operate properly if
the defector is not installed properly. The deflector must be
installed between the filter stem and filter body.
8. Install filter element and firmly tighten baffle onto the filter stem.
9. Install diaphragm assembly into body assembly. Assemble
bonnet assembly onto body and tighten per Figure 1.
10. Install bowl into body and tighten, hand tight, plus 1/4 turn.
Knob
Bonnet - Torque:
4.5 to 5.6 Nm (60 to 70 in.lb.)
Adjusting Screw
Drive Nut
Control Spring
Spring,
Poppet Return
Diaphragm Assembly
(Includes Upper Diaphragm Plate
& Lower Diaphragm Plate
Poppet
Assembly
Body
Filter Holder
(Hand Tighten)
Element
Deflector
O-Ring
Bowl Seal
Manual Drain
(Finger Tighten)
Bowl
Lightly grease with provided lubricant.
Inspect for nicks, scratches, and surface imperfections. If present,
reduced service life is probable and future replacement should be
planned.
Clean with lint-free cloth.