Pentair BERKELEY TMH Series Owner's/Operator's Manual page 11

9. Apply Loctite 271 to bracket or bowl threads, and
thread bowl to bracket
• Loctite 271 ➞ 20 min cure time, 24 hours for full
cure
• Tighten using strap, chain or spanner wrench per
table:
SERIES
5TMH-75
5TMH-110
5TMH-170
5TMH-250
5TMH-375
5TMH-425
6TMH-140
6TMH-200
6TMH-300
6TMH-450
7TMH-230
7TMH-350
7TMH-500
7TMH-750
• The bowls should be tightened snug using wrench.
◊ Excessive force is not required with a left-hand
thread and Loctite.
Variation 2: Vertical w/ 2.875" Stickup,
unsecured shaft
9.1 Apply Loctite 271 to bracket or bowl threads,
and thread bowl to within 0.125" of the bracket.
Place 0.125" washers between bowl and
bracket, and tighten to hand tight.Loctite 271 ➞
20 min cure time, 24 hours for full cure
0.0"
NOTE: Loctite
working time, 24 hr. full-cure time.
For steps 7,8, and 9, work quickly!
10. Clean shaft and collet of contaminates. Then, slide the
next impeller over shaft into position.
Variation 2: Vertical w/ 2.875" Stickup,
unsecured shaft
10.1 Remove washers from between the bowl and
bracket. Thread bowl to flush with bracket.
0.0"
SPANNER WRENCH
M16676
M16676
M16676
M16677
M16676
M16677
M16676
M16676
M16678
M16679
M16677
M16677
M16679
M16679
1/8"
271 has a 20 min.
®
2534 0796
0.0"
1/8"
2536 0796
11. Repeat steps 6 – 10 until all stages are installed.
12. Loosely assemble discharge (see table below),
up-thrust screw M15882, and nut M15881
• NOTICE: Up-thrust screw should not protrude into
bearing bore. Screw depth is set after assembling
discharge to pump.
SERIES NUMBER
5TMH-75
5TMH-110
5TMH-170
5TMH-250
5TMH-375
5TMH-425
6TMH-140
6TMH-200
6TMH-300
6TMH-450
7TMH-230
7TMH-350
7TMH-500
7TMH-750
13. Apply Loctite 271 to bowl threads, and thread
discharge snug to bowl.
• Loctite 271 ➞ 20 min cure time, 24 hours for full
cure.
• Tighten using strap chain or spanner wrench per
table above (as in step 12).
14. Thread screw down until it bottoms on shaft, then back
screw out 3 full turns (1.5 turns for Variation 2).
• Screw has 13 turns per inch = 0.077" per turn.
15. Tighten nut, torque to 40+/-3 (ft-lbs)
• NOTICE: Maintain screw position while tightening
the nut.
• Apply Loctite 271 to nut.
11
THREAD
PART
"A"
M16054 3" NPT
M10657 3" BSPT
M16054 3" NPT
M10657 3" BSPT
M16054 3" NPT
M10657 3" BSPT
M16055 4" NPT
M16058 4" BSPT
M16055 4" NPT
M16058 4" BSPT
M16055 4" NPT
M16058 4" BSPT
M15868 4" NPT
M15885 4" BSPT
M15868 4" NPT
M15885 4" BSPT
M15868 4" NPT
M15885 4" BSPT
M15868 4" NPT
M15885 4" BSPT
M16387 5"–8 FNPT
M11652 5"–11 FNPT
M16387 5"–8 FNPT
M11652 5"–11 FNPT
M16387 5"–8 FNPT
M11652 5"–11 FNPT
M16387 5"–8 FNPT
M11652 5"–11 FNPT
THREAD
"B"
6"–8 NPT
6"–11 NPT
6"–8 NPT
6"–11 NPT
6"–8 NPT
6"–11 NPT
6"–8 NPT
6"–11 NPT