Bell & Gossett MK MV (8202, 8202X) - Manual (Page 36)

Property
class
M4 M5 M6 M8 M10 M12 M16 M20 M24 M30
100 4.1 (3) 8.1 (6) 14 (10) 34 (25) 66 (49) 115 (84.8) 248 (183) 481 (355) — —
Table 2: Steel, torque Nm (ft-lbs)
Property
class
M4 M5 M6 M8 M10 M12 M16 M20 M24 M30
8.8 2.9 (2.1) 5.7 (4.2) 9.8 (7.2) 24 (18) 47 (35) 81(60) 194 (143) 385 (285) 665 (490) 1310
(966.2)
10.9 4.0 (2.9) 8.1 (6) 14 (10) 33 (24) 65 (48) 114 (84) 277 (204) 541 (399) 935 (689) 1840
(1357)
12.9 4.9 (3.6) 9.7 (7.2) 17 (13) 40 (30) 79 (58) 136 (100) 333 (245) 649 (480) 1120
(825.1)
2210
(1630)
Hexagon screws with countersunk heads
For hexagon socket head screws with countersunk head, maximum torque for all property
classes must be 80% of the values for property class 8.8 above.
Change the oil
This image shows the plugs that are used to change the oil.
1 1
WS000089A
1. Oil plug
Empty the oil
WARNING:
The oil housing may be pressurized. Hold a rag over the oil plug to prevent oil from
spraying out.
1. Place the pump in a horizontal position and unscrew the oil plug.
If the pump has a hole with the markings "oil out" it is important that this hole is used
for drainage.
Maintenance
34 MK, MV (8202, 8202X) Installation, Operation, and Maintenance Manual