Barksdale Series 5620 - Manual (Page 15)

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Barksdale, Inc. 3211 Fruitland Avenue, Los Angeles CA 90058 (800)835-1060 www.barksdale.com Bulletin No. 272350-A, 07-05-13
15
Description Item Number 1/4" 3/8" 1/2" 3/4" 1" 1 1/2"
Nut, body 1 200‐250 in. lbs 200‐250 in. lbs 200‐250 in. lbs 500‐550 in. lbs 500‐550 in. lbs 1500‐1800 in. lbs
Bolt, housing 22 200‐250 in. lbs 200‐250 in. lbs 200‐250 in. lbs 500‐550 in. lbs 500‐550 in. lbs 1500‐1800 in. lbs
Nut, handle 32 60‐80 in. lbs 200‐250 in. lbs 200‐250 in. lbs 280‐320 in. lbs 280‐320 in. lbs 280‐320 in. lbs
Torque Required
12. Install thrust ball bearing assembly (13) applicable to 3/4”, 1”, 1 ½” valves only.
a. Install thrust washers (13) ball bearings (15) applicable to 3/8”, 1/2” valves only.
b. Install thrust washer (13) ball bearings (15) retainer (14) applicable to 1/4” valves only.
13. Lightly grease the new rotor (9). Do not touch the face of the rotor with fingers because the
natural acidity of fingers can corrode the sealing surface of the rotor.
14. Install the rotor (9) onto shaft (10) rotate shaft (10) until the two alignment pins in the shaft
engage into the two alignment holes in the back of the rotor.
Caution
Failure to properly align rotor will affect the valve function and performance.
15. Rotate shaft to align rotor (9) correctly to the valve body (3). Refer to Figure 1.1 for the correct
orientation of the specific rotor type.
16. Install o-ring (16) into housing (18).
17. Install sleeve (17) applicable to 3/4”, 1”, 1 ½” valves only.
Note: The housing and body can be installed in only one position due to alignment pins on body
(3) and alignment holes on housing (18).
18. Install body (3) onto housing (18).
19. Install body bolts (22) lock washers (2) and nuts (1) and tighten using an “X” pattern to specified
torque referred to on Torque Table 1.3.
20. Rotate valve assembly so ports are facing down and shaft is pointing up, secure valve.
21. Lightly grease detent spring (23) detent ball (24) and install into housing (18).
22. Install detent disc (26) onto shaft (10) ensuring detent hole is located over the detent ball (24)
install retainer ring (27).
Note: Refer to Figure 1.1 for proper handle alignment
23. Install spacer (28),handle (29), washer (31) and locking nut (32) on to shaft (10) tighten to
specified torque refer to on Torque table 1.3.
24. Cycle valve handle to ensure valve shifts smoothly, reassembly is complete.
Torque Table 1.3