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2/19Rev 2/21
JOHN BLUE COMPANYDIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC.
165 Electronics Blvd, Huntsville, AL 35824 Telephone: (256) 721-9090 • FAX: (256) 721-9091
Toll Free: 1-800-253-2583www.johnblue.com
3
DP-43 -GRIP & DP-43 -GRIP2.2
DP-43-P
3
4
John Blue diaphragm pump. These pumps are equipped with mechanical
John Blue Diaphragm Pump.Enter your serial number and date of purchase for the diaphragm pump in the space provided below for ordering
John Blue diaphragm pumps are designed and manufactured with materials that are compatible with water.
WARNING: This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.
1D
P-94
0040
312
2D
P-94
9829
974
3D
P-94
0302
322
4D
P-94
0339
322
5D
P-82
4154
504
6D
P-80
3200
504
7D
P-94
0338
322
8D
P-84
0521
001
9D
P-80
3060
501
10D
P-94
0014
321
11D
P-82
0042
101
12D
P-94
0306
322
13D
P-94
0008
092
14D
P-94
0007
012
15D
P-94
0316
321
16D
P-80
3181
104
17D
P-86
1606
001
18D
P-94
0041
311
19D
P-94
0003
091
20D
P-84
3685
0012
21D
P-86
2945
002
22D
P-80
3181
101
23D
P-85
2698
001
24D
P-94
0307
321
25D
P-80
3213
501
26D
P-80
3049
001
27D
P-86
1948
001
28D
P-80
3170
001
29D
P-94
0301
091
30D
P-80
3080
901
31D
P-94
0384
261
32D
P-94
0400
421
33D
P-81
2522
001
34D
P-94
0383
091
35D
P-80
3210
641
36D
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3300
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37D
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2631
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38D
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8012
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39D
P-84
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40D
P-81
4545
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41D
P-86
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42D
P-94
0210
091
43D
P-94
0403
421
44D
P-94
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PIST
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DIA
PHR
AGM
VALV
E AS
SYPU
MP
HEA
DIN
LET
CAP
GAS
KET
O-R
ING
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DP
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T ‘1
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IFO
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OD
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PER
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DY
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STER
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VER
BAL
LAST
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OP
WAS
HER
DIA
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CEI
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NI 5
931
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OIL
CAP
OIL
FIL
LER
O-R
ING
3X1
1O
-RIN
G 1
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5.28
SCR
EW T
CEI
M6X
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NI 5
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BEA
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ING
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MO
TOR
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NIO
N (3
/4”)
PIN
ION
(5/8
”)1
45D
P-80
2117
00O
IL S
EAL
30X4
0X7
146
DP-
8064
3605
TAB
4.75
X5X3
01
47D
P-81
2688
00N
EED
LE B
EAR
ING
148
DP-
9400
2632
SPAC
ER1
49D
P-81
2522
00BA
LL B
EAR
ING
150
DP-
9400
2732
SPAC
ER1
51D
P-86
2566
00SC
REW
5/1
6”-2
4UN
F4
52D
P-94
0047
76SN
AP R
ING
DIA
.10
253
DP-
8000
0300
PIST
ON
PIN
D.1
0X35
462
DP-
8520
0400
PIST
ON
263
DP-
9400
1708
AISI
316
SC
REW
264
DP-
0300
2551
SCR
EW T
CEI
M8X
65 U
NI5
931
265
DP-
8629
5100
SCR
EW T
CEI
M8X
65
266
DP-
8629
0000
SCR
EW T
CEI
M8X
55
867
SC-1
066-
2PR
ESSU
RE
REG
ULA
TOR
168
DP-
9402
0032
PRES
SUR
E R
EGU
LATO
R B
OD
Y1
69D
P-05
0068
51SE
AT1
70D
P-80
3056
00O
-RIN
G 1
.78X
8.73
171
DP-
9402
0432
POPP
ET1
72D
P-80
3175
00O
-RIN
G 2
.62X
10.7
84
73D
P-85
1045
00PI
N D
IA 3
X30
174
DP-
9400
7348
SPR
ING
175
DP-
9402
0232
LEVE
R1
76D
P-80
3199
00O
-RIN
G 2
.62X
21.8
91
77D
P-94
0203
32KN
OB
178
DP-
9402
0132
PRES
SUR
E R
EGU
LATO
R P
LUC
179
DP-
8200
1000
NU
T G
.1/2
180
DP-
8415
4400
STR
AIG
HT
CO
NN
DIA
.10
281
DP-
8415
5100
RET
UR
N C
ON
N D
IA.1
31
83D
P-80
3213
50O
-RIN
G 3
X11
182
DP-
9402
0649
QU
ICK
REL
EASE
PIN
1
84D
P-84
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12
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TC
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12
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-RIN
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41
87D
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0010
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ESSU
RE
GAU
GE
(OPT
)1
88D
P-94
0207
32C
OU
PLIN
G (O
PT)
189
DP-
9498
4997
PRES
SUR
E G
AUG
E KI
T (O
PT)
190
DP-
8032
1710
O-R
ING
3.0
X14
VITO
N1
91D
P-31
1357
91FL
ANG
E1
92D
P-84
3562
00W
ASH
ER2
93D
P-86
1934
50SC
REW
TE
M5X
16 U
NI 5
739
210
0D
P-94
0353
32O
IL L
EVEL
DIP
STIC
K1
101
DP-
9498
5597
KIT
RO
P O
IL IN
DIC
ATO
R1
104
DP-
0300
2068
SS D
IAPH
RAG
M W
ASH
ER
2
TROUBLES AND CURES TROUBLES CAUSES CURES
The pump doesn’t reach the required pressure
• valves have worn seats• suction hose with air pockets or irregular elbows• worn nozzles or with wrong diameter (see chart)• Clogged strainer
• check valves• check hoses• check nozzles• clean strainer
The pressure gauge • pump is sucking air, or air hasn’t been evacuated completely• valves blocked
• start pump with the gunthe air and commutate
• clean and change valves
Oil is changing color into white • Diaphragm failures. Stop pump immediately. • Drain the pump of oil. Dismantle the head and change diaphragms. Fill to the correct oil level.
Output drops and the pump is noisy
• oil level is too low • top up with oil to correctthe sump), when pump is operating
Oil comes out of the discharge pipe
• one or more diaphragms are broken • Drain the pump of oil. Dismantle the head and change diaphragms. Fill to the correct oil level.
The liquid is irregular • the air in the pulsation-damper is incorrectly set • check pressure in pulsationchart)
LIMITED WARRANTY THIS WARRANTY IS IN LIEU OF ALL OTHER WRITTEN OR EXPRESS WARRANTIES AND REPRESENTATIONS. ANY IMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE ARE EXPRESSLY LIMITED TO THIS WRITTEN WARRANTY. JOHN BLUE COMPANY SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES.
Use of this product for any purpose other than its original intent, abuse of the product, and/or any modification to the original product is strictly prohibited by the manufacturer, John Blue Company. Any modification to the product should be approved by John Blue Company prior to use. John Blue Company will deny Warranty claims and liability in any situation involving misuse, abuse or modification.
Each new machine or component manufactured by John Blue Company through original buyer is warranted by John Blue Company to buyer and to any party or parties to whom buyer may resell, lease or lend the equipment to be free from defects in material and workmanship under normal use and service. This obligation of John Blue Company under this warranty is limited to the repair or replacement of defective parts or correction of improper workmanship of any parts of such equipment which shall within one year from the date of John Blue’s original delivery thereof, be returned to John Blue’s factory, transportation charges prepaid and which John Blue Company shall determine to its satisfaction upon examination thereof to have been thus defective. When it is impractical to return the defective parts of such equipment to John Blue’s factory, then John Blue shall have no liability for the labor cost involved in repairing or replacing any such parts and shall be liable solely for supplying the material necessary to replace or repair the defective parts, provided that prior thereto John Blue Company shall have determined to its satisfaction that any such parts are thus defective.
This warranty shall not apply to any equipment which shall have been repaired or altered outside John Blue’s factory in any way so as to affect its durability, nor which has been subjected to misuse, abuse, negligence or accident, or operated in any manner other than in accordance with operating instructions provided by John Blue Company. This warranty does not extend to repairs made necessary by the use of inferior or unsuitable parts or accessories, or parts or accessories not recommended by John Blue Company.
John Blue Company makes no warranties in respect to parts, accessories or components not manufactured by John Blue Company, same ordinarily being warranted separately by their respective manufacturers.
DIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC. HUNTSVILLE, AL (256) 721-9090
JOHN BLUE COMPANYDivision of Advanced Systems Technology, Inc.
165 Electronics Blvd., Huntsville, AL 35824Telephone: (256) 721- 9090 • Fax: (256) 721-9091
Toll Free 1-800-253-2583 www.johnblue.com
