33
Model 764 Differential Pressure Transmitter Section 5
!
WARNING: Except for cleaning the DPU, replacing O-rings, or replacing
connectorassembly,noeldrepairorcomponentreplacementonthe
Model764transmitterisauthorized,ifitisdesirabletomaintaincertica-
tion of the instrument.
Table 5.1—Model 764 Replacement Parts
ITEM DESCRIPTION PART NO.
PER
UNIT
1
Bolt, Hex Hd., 1/4-28 x 5/8 9A-C0116-1007J
4
2
Washer, Lock, 1/4 9A-C0003-0037K 4
3
Washer, Flat, 1/4 9A-C0003-1003K 4
4
Bracket, Mounting 9A-C0764-1222C 2
5
Screw,Soc. Hd., Cap., 3/8-24 x 1-1/2 9A-C0220-1028J 8
6
Housing, DPU 9A-C0764-1025C 2
7
O-ring, Housing 9A-C0001-1054R 2
8
Plug, DPU Housing 9A-C0199-0215C 2
9
Assembly, Connector, EGS QDC 9A-C0764-1304B 1
10
O-ring, Case 9A-C0001-1057R 1
11
O-ring, Cover 9A-C0001-1056R 1
12
Case Cover (standard external adjustment) 9A-C0764-1262B 1
13
Case Cover (optional) 9A-C0764-1066C 1
14
Washer, Flat, 1/4 9A-C0003-1029K 8
15
Screw, Soc. Hd. Cap., 1/4-20 x 1/2 9A-C0220-1009J 8
16
O-ring, External Adjustment 9A-C0001-1050R 2
17
Plug, External Adjustment 9A-C0764-1247C 2
18
O-ring, QDC (not shown) 9A-C0001-1218R 1
19
Sealant, Thread, EGS QDC Connector (not
shown)
9A-C0002-0010U A/R
20
Lubricant, O-Ring, Dow Corning High
Vacuum Grease (not shown)
9A-C0002-1003U A/R
21
Lubricant Molykote G (not shown) 9A-C0002-1067U A/R
Recommended spare parts: Items 10, 11 and 18
Table 5.2—Model 764 Recommended Torque Values
ITEM TORQUE VALUE
1
8 ft-lb dry
15
3-6 ft-lb dry
5
40 ft-lb with lubricant (item 21)
9
50-75 ft-lb with sealant (item 19)