MSD Legend Series Operation & Maintenance Manual | 47
Pilot Valve Assembly
Pilot Valve Assembly
Item Part Number Qty Description
1 512316 1 Housing
2 512317 1 Valve Seat
Torque to 73 ft. lbs. (100 Nm)
3 511555 1 Thread Pin - M12 x 50
4 512318 1 Spring Cap
Torque to 162 ft. lbs. (220 Nm)
5 511558 1 Washer - D30 x 5
6 512319 1 Orifice - D1 M6 x 8
7 512320 2 Orifice - D1.2 M6 x 8
8 512321 1 Orifice - D0.5 M6 x 8
9 512322 1 Orifice - D1 M5 x 6
10 511562 1 Valve Seat - D10.1 x 23
11 512323 8 Cap Screw - M5
Torque to 1.5 ft. lbs. (2 Nm)
12 511514 10 Cap Screw - M8 x 1
Torque to 7.5 ft. lbs. (10 Nm)
Pilot Valve Assembly
Item Part Number Qty Description
16 512324 1 Spring
17 511565 1 Spring
21 511507 1 O-Ring - 15.4 x 2.1
22 512325 1 O-Ring - 36.2 x 3
23 511505 1 Thread Seal Ring - M12
24 511504 1 Seal Nut - M12
Torque to 22 ft. lbs. (30 Nm)
25 511508 1 Quad ring - 10.82 x 1.78
26 511509 1 Support Ring
31 511563 1 Cap Screw - M12 x 1.5
Torque to 18 ft. lbs. (25 Nm)
32 512326 1 Thread Pin - M6 x 8
33 511556 2 Washer - B7.4
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