Control Unit 9910-BMH50

Control Unit 9910-BMH50
Control Unit 9910-BMH50
The Model 9910-BMH50 Control Unit is designed for the control of pressure up to 725 psi and flows up to 41 gpm. It
consists of an adjustable pressure relief valve, pressure gauge, and a manual pressure release lever.
Dump to tank
Control Lever
Pressure
Gauge
Flow from
right port
Pressure
Adjustment
Knob
Main
Bypass
Outlet
1” BSP
Figure 1: Bypass,
dump to tank position
(Connect directly
to tank without restrictions or ball valves.)
Inlet Port
3/4” NPT
Flow from
left port
Rotating
Outlet Port (2)
1/2” BSP
Remote
Mounting
Flange
Flow from
left port
Figure 2: Right outlet
port control position
Figure 3: Left outlet
port control position
Flow from
right port
Figure 4: Both outlet
port control position
Relief only mode,
No flow to ports
Figure 5: Pressure
relief control
Installation
Direct Mounting:
1. If the red plastic shield (Ref. 51)** is installed, remove it by
removing the four Allen bolts from the inside of the shield.
Locate the outlet elbow (Ref. 52)** on the top of the discharge manifold of the pump and remove it.
2. Remove the two Allen bolts (Ref. 45)* from the adapter
elbow flange (Ref.15)* on the control unit. Retain the bolts
for later. Do not misplace the o-ring.
3. Using thread sealant, attach the adapter elbow flange to the
port where the outlet elbow was removed. Tighten the flange
to the desired orientation.
4. Verify o-ring is in place on the flange. Place the control unit
onto the flange in the desired orientation, and replace and
tighten the bolts previously removed in step 2.
5. Connect the bypass hose to the bypass port fitting (not supplied) or purchase part separately (Ref. 55)* and run line
unrestricted back to the tank.
6. Connect the desired amount of lines to the outlet port hose
barbs (Ref. 42)**. Unused ports can be shut off with the ball
valve, or they can be plugged.
Remote Mounting: (Use Kit No. 9910-KIT999)
1. Attach remote mounting bracket to the mounting flange on
the control unit using the two Allen bolts (Ref. 59)* and nuts
(Ref. 61)* in Kit No. 9910-KIT999.
2. Connect hose barb fitting included in Kit 9910-KIT999 to
the bypass outlet of the control unit. Ensure the o-ring is
in place.
3. With high pressure hose, connect the adapter elbow flange
on the control unit to the NPT elbow at the top of the discharge manifold of the pump.
4. Connect the bypass hose to the bypass port hose barb (Ref.
38)* and run it unrestricted back to the tank.
5. Connect the desired amount of lines to the outlet port hose
barbs (Ref. 42)**. Unused ports can be shut off with the ball
valve, or they can be plugged.
NOTE: For all discharge connections, use hose rated equal to
or greater than the maximum pressure rating of the pump.
* Refer to diagram on page 9.
** Refer to diagram on page 10 or 12.
Operation
1. Refer to the pump operation instructions for proper operation of the pump.
2. The control unit can be put into full bypass mode by rotating
the control lever to the 10:30 position such that the word
“BYPASS” is aligned to the pressure adjustment knob. See
Figure 1.
3. To control to just the right outlet port, rotate the control lever
to the 4:30 position such that the letters “SX” are aligned to
the pressure adjustment knob. See Figure 2.
4. To control to just the left outlet port, rotate the control lever
to the 7:30 position such that the letters “DX” are aligned to
the pressure adjustment knob. See Figure 3.
5. To control both booms, rotate the control lever to the 6:00
position such that the letters “SX-DX” and the control lever
are aligned to the pressure adjustment knob. See Figure 4.
6. To maintain pressure control on the pump without flow to
either outlet port, rotate the control lever to the 2:30 position
such that the word “PRESS” is aligned with the pressure
adjustment knob. See Figure 5.
7. Pressure can be controlled with the adjustment knob at the
end of the relief valve. Turning it clockwise will increase the
operating pressure and turning it counterclockwise will
decrease the pressure.
-8-
Parts List for Control Unit 9910-BMH50
9910-KIT999
Remote Mounting Kit
REF.
NO.
1
2
3
4
5
6
7
8
9
10
15
16
17
18
19
20
21
21
22
23
24
25
26
27
28
29
30
31
34
35
36
37
38
39
40
41
42
43
44
45
46
PART
NUMBER
DESCRIPTION
9910-550370
9910-550242
9910-550350
9910-780060
9910-1150031
9910-1150021
9910-1150041
9910-1150050
N/A
9910-1150060
9910-1150880
9910-390060
9910-1150012
9910-320420
9910-680700
9910-1150070
9910-1150130
9910-1150131
9910-660160
9910-1150180
9910-1150190
9910-1150200
9910-1150171
9910-820490
9910-1150920
9910-1040370
9910-1150910
9910-1150150
9910-110130
9910-1040690
9910-1150250
9910-1150120
9910-850720
9910-390340
9910-740290
9910-850650
9910-850660
9910-850680
9910-1150900
9910-320360
9910-850830
Elbow
Ring nut
O-Ring
Bolt
Bypass Flange 1” BSP
Spacer
Gasket
Spacer
O-Ring
Valve seat
Inlet Adapter 3/4” BSP
O-Ring
Valve body
Spring
Bolt
Valve
Diaphragm (Desmopan) Standard
Diaphragm (Buna) Optional
O-Ring
Piston
Spring
Spring plate
Spring guide body
O-Ring
Knob
Bolt
Outlet Adapter 1/2” BSP
Clamp
1/2" Hose barb
Retainer clip
O-Ring
Selector
Washer
O-Ring
O-Ring
Seat
Ball
Spring
Upper body
Bolt
Spring
QTY.
REQ’D
1
1
2
4
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
4
2
4
2
2
1
1
1
1
2
2
2
3
1
6
1
REF.
NO.
47
48
49
50
51
52
53
54
55
59
60
61
63
64
65
67
68
PART
NUMBER
DESCRIPTION
9910-621160
9910-1150890
9910-480520
9910-391460
9910-550545
9910-1150100
9910-1150091
9910-880270
9910-550210
9910-180370
9910-850690
9910-390270
9910-550331
9910-1150280
9910-1150690
9910-1040950
9910-1150930
Ball
Lever
Pin
Washer
Pressure gauge
Ball
Bypass seat
O-Ring
Hose barb
Bolt
Bracket
Nut
Washer
O-Ring
Elbow
Split pin
Lever plug
QTY.
REQ’D
1
1
1
1
1
1
1
1
1
2
1
2
4
1
1
2
1
9910-KIT2464
Repair Kit
9910-KIT999
Remote
Mounting Kit
REF. NO. QTY.
2
1
3
1
55
1
59
2
60
1
61
2
-9-
REF. NO. QTY.
3
2
9
1
10
1
13
1
16
4
20
1
21
1
22
1
27
1
36
1
39
1
40
2
48
1
54
1
64
1
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