Crankcase Assembly - BRP E250DHLSCS Service Manual

POWERHEAD
POWERHEAD ASSEMBLY

Crankcase Assembly

Thoroughly clean and degrease the mating
flanges of the crankcase and cylinder block with a
non-petroleum based solvent, such as isopropyl
alcohol or acetone, and let air dry.
DO NOT allow solvent to get on
IMPORTANT:
internal components. Clean only the mating
flanges.
Use a small brush with a tapping motion to apply a
thin, even coat of Gel-Seal II sealant to the crank-
case mating flange. The sealer must not come
within 1/4 in. (6.4 mm) of bearings.
Lightly coat the upper and lower crankcase head
flange surfaces with a thin layer of Gel-Seal II.
Gel-Seal II has a shelf life of at
IMPORTANT:
least one year when stored at room temperature.
Test the Gel-Seal II or replace it if the age of the
tube cannot be determined. Using old Gel-Seal II
could cause crankcase air leaks.
234
IMPORTANT:
NOT recommended. If primer is used, crankcase
halves must be assembled and tightened within
ten minutes after the Gel-Seal II has been applied.
Lower the crankcase into place.
Install main bearing screws and nuts finger tight,
no more than 60 in. lbs. (7 N·m).
When the crankcase is seated, install and firmly
seat both crankcase taper pins.
Tighten main bearing screws and nuts in stages
to a final torque of:
004127
Screws – 48 to 53 ft. lbs. (65 to 72 N·m)
•
Nuts – 38 to 42 ft. lbs. (52 to 57 N·m)
•
Start in the center and work outward in a spiral
pattern.
004134
The use of Locquic Primer is
004135
004141