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FLANGE 4645091 - Caterpillar

4645091 FLANGE Caterpillar parts FLANGE
Alternative (cross code) number:
Caterpillar 4645091 FLANGE
Weight: 3 pounds 1 kg.

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Number on catalog scheme: 8
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Installation Of The Generator
(1) Remove all dirt, burrs and paint from the contact surfaces of the generator supports and the base. Remove the protection material (compound) from the flywheel pilot bore (A) and from the surface (B) that makes contact with the coupling. All contact surfaces of the engine, coupling and generator must be completely clean. (2) Remove the timing pointer cover from the flywheel housing. Install indicator group (1) as shown on the front of the engine with the tip of the indicator on the face of crankshaft pulley (2). Use a bar between the flywheel and flywheel housing to push the crankshaft toward the flywheel to remove all end play. Put the dial indicator in the "zero" position. Move the crankshaft to its most forward position, and make a record of the Total Indicator Reading (TIR). The TIR is the end play of the crankshaft. (3) Put plate assembly (3) in position in the bore of the flywheel to check for clearance. There must be clearance between the outside diameter of plate assembly (3) and the inside diameter of the bore in the flywheel. CAUTION: Damage to the engine and/or generator can be the result if the electric set is run with a plate assembly that does not have this clearance.(4) Install a full shim pack (4) and plate assembly (3) on the generator with bolts (5). On D379, G379, D398, G398, D399 and G399 engines, tighten bolts (5) to a torque of 370 35 lb.ft. (505 45 N m). On all other engines, tighten bolts (5) to the standard torque. The total thickness of shims (4) must be enough to cause a reduction in the crankshaft end play (as measured in step 2) but not enough to bend plate assembly (3) when the generator is installed. (5) Install guide bolt (6) in the flywheel. Put the generator in position on the engine, and install bolts (7) and (8). Tighten bolts (7) and (8) but do not bend the locks under bolts (8) at this time. (6) Use dial indicator (1) to check crankshaft end play (do not use force to hold the crankshaft in position). Remove the generator. Remove only enough shims (4) to get the original amount of end play as shown in step 2. (7) Install the generator and again check the crankshaft end play. After the correct amount of shims has been installed, bend the locks under bolts (8). (8) Install but do not tighten all bolts (9) that fasten generator supports (10) to the base. Align the generator to the engine as shown on page 6 for electric sets without supports at the flywheel housing or page 8 for electric sets with supports at the flywheel housing.Alignment Of Electric Sets Without Supports At The Flywheel Housing
(1) If base (1) of the electric set is fastened to a foundation, loosen all base-to-foundation bolts. Loosen all bolts (2) and (3) that fasten the generator supports and engine supports to

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