Instruction and Operation Manual
SA-07-11-37 Rev Orig
29
Jan 2009
SPECIFICATIONS
Table 3. Gearbox and Pump Torque Values
Gearbox
Sundyne Standard Steel Screws & Bolts and NACE Compliant Steel Screws/Bolts (BG Material)
Torque Values
Item #
Location
Size
English
Metric
905H
Oil Filter Manifold
3/8 - 16 x 1/2
22 - 25 ft-lbs
30 - 34 N-m
905L
Gearbox Seal
1/4 - 20 x 1/2
75 - 80 in-lbs
8.5 - 9.0 N-m
905M, N
Journal Bearings
#10 - 24 x 1
35 - 40 in-lbs
4.0 - 4.5 N-m
905T
Chemical Barrier Gasket
1/4 - 20 x 5/8
75 - 80 in-lbs
8.5 - 9.0 N-m
909B
Gearbox Halves
1/2 - 13 x4
60 - 65 ft-lbs
81 - 88 N-m
909C
Gearbox Halves, Alignment
5/8 - 18 x 4 17/64
60 - 65 ft lbs
81 - 88 N-m
906B
Sight Glass
#8 - 32 x 1/2
10 - 12 in-lbs
1.0 - 1.4 N-m
Pumps & Compressors*
Sundyne Standard Steel Screws and Bolts
Torque Values
Item #
Location
Size
English
Metric
3
Impeller Bolt/Inducer:
LMV/BMP-801, 802, 806, 322, 311, 331
1/2 - 20
36 - 40 ft-lbs
49 - 54 N-m
LMV/BMP-341, 346
1/2 - 20
65 - 70 ft-lbs
88 - 95 N-m
LMV-313, 343, BMP-338, 348 (High Flow)
3/4 - 10
85 - 90 ft-lbs
115-122 N-m
LMC/BMC 3X1P, 3X1F, 3X3, 3X6P, 3X7
1/2 - 20
36 - 40 ft-lbs
49 - 54 N-m
906D
Diffuser Attaching Screws
1/4 - 20
95 - 102 in-lbs
11 - 11.5 N-m
905E
Mechanical Seal No. Spacer
1/4 - 20 x 12
95 - 102 in-lbs
11 - 11.5 N-m
905F
Throttle Bushing/Mechanical Seal
1/4 - 20 x 12
95- 102 in-lbs
11 - 11.5 N-m
905G
Double Seal with Spacer
1/4 - 20 x 3/4
95 - 102 in-lbs
11 - 11.5 N-m
914A
Case Nuts
3/4 - 10
250 - 275 ft-lbs
340 - 375 N-m
914A
Case Nuts
7/8 - 9
300 - 330 ft-lbs
405 - 445 N-m
905A
Seal Housing to Gearbox
3/8 - 16 x 1 3/4
35 - 40 ft-lbs
47 - 54 N-m
905P
Separator
1/4 - 20 x 5/8
95 - 102 in-lbs
11 - 11.5 N-m
Pumps & Compressors
NACE Compliant Steel Screws / Bolts (BG Material)
Torque Values
Item #
Location
Size
English
Metric
3
Impeller Bolt/Inducer:
LMV/BMP-801, 802, 806, 322, 311, 331
1/2 - 20
36 - 40 ft-lbs
49 - 54 N-m
LMV/BMP-341, 346
1/2 - 20
65 - 70 ft-lbs
88 - 95 N-m
LMV-313, 343, BMP-338, 348 (High Flow)
3/4 - 10
85- 90 ft-lbs
115 - 122 N-m
LMC/BMC 3X1P, 3X1F, 3X3, 3X6P, 3X7
1/2 - 20
36 - 40 ft-lbs
49 - 54 N-m
906D
Diffuser Attaching Screws
1/4 - 20
70 - 75 in-lbs
8.0 - 8.5 N-m
905E
Mechanical Seal No. Spacer
1/4 - 20
70 - 75 in-lbs
8.0 - 8.5 N-m
905F
Throttle Bushing/Mechanical Seal
1/4 - 20
70 - 75 in-lbs
8.0 - 8.5 N-m
905G
Double Seal with Spacer
1/4 - 20
70 - 75 in-lbs
8.0 - 8.5 N-m
914A
Case Nuts
3/4 - 10
160 - 200 ft-lbs
217 - 270 N-m
914A
Case Nuts
7/8 - 9
225 - 245 ft-lbs
305 - 332 N-m
905A
Seal Housing to Gearbox
3/8 - 16 x 1 3/4
27 - 30 ft-lbs
37 - 40 N-m
905P
Separator
1/4 - 20 x 5/8
70 - 75 in-lbs
8.0 - 8.5 N-m
* When using Teflon® o-rings, allow 15 minutes between torquing for the Teflon® to cold flow. Repeat torquing until
there is no change in torque.