ARO PD05X-X-X-B Руководство по эксплуатации - Страница 11
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Product discharged from air exhaust.
S
Check for diaphragm rupture.
S
Check tightness of (14) bolt.
Air bubbles in product discharge.
S
Check connections of suction plumbing.
S
Check O" rings between intake manifold and fluid caps.
S
Check tightness of (14) bolt.
Pump blows air out main exhaust when stalled on either stroke.
S
Check U" cups on (111) spool in major valve.
S
Check (141) valve plate and (140) insert for wear.
S
Check (169) U" cup on (167) pilot piston.
A"
5/16" Slot
(7.9 mm)
6-1/8"
Pump Model
PD05A-AXS-XXX-B
PD05A-BXS-XXX-B
PD05X-X-X-B (en)
TROUBLE SHOOTING
DIMENSIONAL DATA / PD05A-XXS-XXX-B
Dimensions shown are for reference only, they are shown in inches and millimeters (mm).
8-7/32"
(208.5 mm)
8-1/8"
(206.0 mm)
4-5/16"
(109.3 mm)
2"
(50.8 mm)
3-1/16"
(77.8 mm)
1-1/4"
(155.5 mm)
A" Material Inlet
1/2 - 14 N.P.T.F. - 1
Rp 1/2 (1/2 - 14 BSP, parallel)
Low output volume.
S
Check air supply.
S
Check for plugged outlet hose.
S
For the pump to prime itself, it must be mounted in the vertical posi-
tion so that the balls will check by gravity.
S
Check for pump cavitation - suction pipe should be sized at least as
large as the inlet thread diameter of the pump for proper flow if high
viscosity fluids are being pumped. Suction hose must be non-col-
lapsible type, capable of pulling a high vacuum.
S
Check all joints on intake manifolds and suction connections. These
must be airtight.
S
Inspect the pump for solid objects lodged in the diaphragm chamber
or the seat area.
Air Inlet 1/4 - 18 N.P.T.F. - 1
B"
11-3/4"
(297.9 mm)
11-1/16"
(280.4 mm)
6-5/16"
(159.8 mm)
3/8"
(9.5 mm)
(31.6 mm)
B" Material Outlet
1/2 - 14 N.P.T.F. - 1
Rp 1/2 (1/2 - 14 BSP, parallel)
8-3/16"
(207.9 mm)
6"
(152.4 mm)
4-7/8"
(123.8 mm)
5-1/2"
(139.7 mm)
Figure 6
Page 11 of 12
A"