3900 REV. C
31
30
32
33
34
ITEM 1 2 *3
20
4
5
6
6
8
7 ††7
ELECTRIC PILOT 4
5
3
37
1
4
8
36 18
1
35
2
.250 NPT SUPPLY & OUTPUT
8
9
10
20
6 7
38
11 12 13 14 15
9
DESCRIPTION QTY PART NO. Case Ass'y (Electric) 60010 Case Ass'y w/o Manifold (Pneumatic) 1 60243 Case Ass'y w/ Manifold (Pneumatic) 60012 Door 1 60023 60198 Manifold / Case Gasket 1 60199 Gauge (Output & Supply), 0-30psi 60016 2 Gauge (Output & Supply), 0-60psi 60248 Gauge (Output & Supply), 0-100psi 60250 Clamp Kit: 80050 Clamp 1 60032 Hex Cap Screw 4 60028 Flapper Bar Kit: 80052 Flapper Bar 60014 1 OR Falpper Bar (Electric) 60015 Lock Nut 1 60026 Retaining Ring 1 60030 60096 Hex Cap Screw 2 60097 Fulcrum Kit: 80054 Fulcrum 1 60036 Thumb Screw 1 60018 Torque Bar Kit, Marine: 80056 Torque Bar 1 60072 Lock Nut 1 60026 Sensitivity Scale 1 60074 Level Adjustment Bar Kit: Marine 85028 Level Adjusting Bar 1 60049 Level Adjusting Screw 1 60052 Hex Jam Nut 1 60050 Hex Cap Screw 2 60046 Hex Cap Screw 1 60088 Hex Jam Nut 1 60090 Stud 1 60094 Lower Spring Retainer 1 60066 Spring 1 60038
MAT'L
ITEM DESCRIPTION 16 Upper Spring Retainer
Aluminum Aluminum Buna Viton Bronze N/A Aluminum SST N/A 303 SST 303 SST SST SST SST
**17
Chamber Assembly w/Displacer
18 ††19 20 21 22
Snap Pilot Insulator Gasket Body Spacer Flat W asher
23
Shaft
24
Hex Pipe Plug
25
Block Bearing
†*26
Block Bearing O-Ring
27 †*28
Hex Cap Screw Back-Up Ring
†*29
Shaft O-Ring
N/A Nylon SST N/A Aluminum SST Vinyl N/A Aluminum SST SST SST SST SST SST Aluminum SST
10
30 31 32 *33 34 35 *36
Switch, Ex-Proof, DPDT Switch, Ex-Proof, SPDT Hex Cap Screw .500 X 2.50 Pipe Nipple O-Ring Pipe Elbow, .50 NPT Door Gasket Manifold/ Pilot Gasket
SH 1 OF 1 QTY PART NO. MAT'L 1 60054 Aluminum 60252 WCC/SST 1 60253 ‡ WCC/Alloy 1 60186 N/A 1 60236 Phenolic 1 60256 1018 CS 1 60062 303 SST 1 60092 SST 60257 303 SST 1 60258 ‡316 SST 1 60260 A105/Pltd 60058 303 SST 1 60059 ‡316 SST 60078 Buna 2 60080 ‡Viton 1 60262 316 SST 2 60076 TFE 60082 Buna 2 60084 ‡Viton 60238 EXD-Q 1 60240 EX-Q 2 60242 SST 1 60244 CS Pltd 1 60078 Buna 1 60246 MI Pltd 1 60056 Neoprene 60034 Buna 1 60035 Viton 1 60264 Aluminum 6 60095 SST 60061 303 SST 1 60063 ‡316 SST 1 60086 Buna 1 51199 CS
37 38
Manifold Hex Screw
39
Block Bearing (capped)
40 41
Body/Case O-Ring Pipe Plug
* ** † †† ‡
Recommended Spare Parts 1"NPT Side & Top/Bottom Connections Standard Included in Soft Goods Repair Kits Included in Marine Insulator Kit MEETS NACE MR-01-75 SPECIFICATIONS
16 15 14
12
13
11
PART NO. 80066 80068 80062 80063 80070
3900 SHEET 1 OF 1
17
20
REPAIR KITS DESCRIPTION Soft Goods Repair Kit, Buna Soft-Goods Repair Kit, Viton Snap Pilot Repair Kit, Buna Snap Pilot Repair Kit, Viton Marine Insulator Kit (Includes #7 & #19)
39
28
RIGHT-HAND MOUNTING SHOWN 41
19 MARINE SERVICE ONLY
26 24
23 29
27
29
26
19
40
28
25
22
SHAFT DETAIL
21
MALLARD CONTROL Mallard Control Co. 4970 Washington Blvd., Beaumont, Tx 77707
TITLE
3900 LIQUID LEVEL CONTROLLER
VITON IS A REGISTERED TRADE NAME OF DUPONT DE NEMOURS CORP. E.C.N:
1258
APPROVED
DATE
JDS
10-15-04
DRAWN
Model File: 3900-C
10/15/20049:41 AM3900-C.SLDDRW
DATE
PHL 10-15-04
SIZE
B
3900
REV.
SH 1 OF 1
C