350 FT.LBS MIN. Torque Required

race contacting, as shown on assembly section).

a)Remove the preservative from the outside diameter and faces of the bearings. Heat both bearings to 200°F at the same time. Place the first bearing on the shaft. Very quickly place the second bearing on the shaft. When installing the second bearing, push against the inner race to remove all clearance between the inner races of the two bearings, and between the inner race of the first bearing and the retaining collar.

b)Use locknut (3-516-4) to hold the bearings together against the retaining ring while they cool. First, place the bearing lockwasher (3-517-4) on the shaft with the locking tabs away from bearing. Install the locknut with the beveled edge facing the bearing. Tighten it as much as possible with a spanner wrench turned by hand.

c)After the bearings have cooled to room temperature, retighten the locknut as much as possible with a spanner wrench turned by hand. Then use a hammer on the wrench to tighten the locknut an additional eighth to quarter turn. Be sure a slot on the nut lines up with a tab on the lockwasher. Bend one of the lockwasher tabs into matching slot on the bearing locknut.

16.Once bearings are cooled to room temperature, coat with 2 to 3 ounces of a recommended grease.

17.Slide bearing housings (3-025-3, -4) onto shaft over bearings.

18.Assemble bearing caps to bearing housings using cap screws (5-904-9).

NOTE: These are grade 8 screws.

19.Assemble pipe plugs (2-910-9) and grease fittings (5-905-9) as required.

20.Replace pump coupling half and key.

21.Clean gasket surfaces of the casing. Apply Scotch 3M-77 spray adhesive or equivalent to the lower half of the casing. (2-001-8).

22.Within one minute of spraying, set the untrimmed gaskets (2-123-5 and -6) in place on the lower half casing, align the

holes in the gaskets with the holes in the casing and press the gaskets firmly against the lower half casing face in the area coated by the adhesive.

23.Trim the gaskets flush with the lower casing bores, if this has not been done yet.

CAUTION:

Machined casing bores must remain sharp at the casing parting line. Gaskets must be flush with bore in order to contact O-rings. Leakage can result around stuff box O-ring if this step is not properly followed. Failure to follow these instructions could result in injury or property damage.

FIGURE 13 – TORQUE PATTERN FOR CASING

MAIN JOINT

8200 Series specifications

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