Remy 50DN ALTERNATOR DRIVE END FRAME AND SEAL UPGRADE PACKAGE KIT User Manual
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NOTICE
- Only licensed Remy International, Inc. product and component parts should be used, and the use of other parts or modifications not approved
by Remy International, Inc. will void all applicable warranties. The failure to carefully follow these Installation Instructions, set forth above, will void all
applicable warranties. DELCO REMY is a registered trademark of General Motors Corporation, licensed to Remy International, Inc. Pendleton, IN 46064.
©
2012 Remy International, Inc. All rights reserved
2
3.2” Minimum
IMPORTANT!
5.
Obtain “seal install tool” or utilize a 50DN pulley with an OD no smaller than 3.2 inches. Place seal install tool or pulley with flat
surface onto shaft against the seal.
CAUTION:
BE SURE NOT TO USE AN UNDERSIZED PULLEY (OD LESS THAN 3.2 INCHES) OR ONE WITHOUT A FLAT
MACHINED SURFACE. FAILURE TO DO SO MAY RESULT IN DAMAGE TO SEAL DURING INSTALLATION.
Follow
Option 2 if you do not have the seal install tool or a proper pulley.
6. Place washer and pulley nut on shaft. Hold pulley with a strap-type wrench and tighten pulley nut on shaft until seal is fully seated.
7. Remove pulley nut, washer, and install tool or pulley from shaft.
8. Ensure seal is fully seated by checking the gap around the flange.
9. Install new steel spacer onto the shaft and into the seal.
10. Install pulley, washer and nut. Be sure pulley is installed with same side out as before removal.
11. Hold pulley with a strap-type wrench and tighten pulley nut to 290 Nm (215 lb ft).
Option 2
NOTE: This option requires the use of a flat steel plate large enough to contact the seal flange. The recommended plate dimensions are
as follows; inside diameter (1.2 -2.0 inches)
– outside diameter (3.2 inches minimum). The plate thickness must be adequate to properly
handle impact of the hammer without damaging the seal.
1. Lubricate the new o-ring with 1948791 bearing lubricate or equivalent.
2. Install new o-ring onto groove on the shaft.
3. Apply Loctite 242 or equivalent to outside diameter (OD) of press-in seal.
4. Align new press-in seal, being careful not to cut the seal on the shaft splines.
5. Utilizing the steel plate, tap on the plate with a hammer until the seal is fully seated
CAUTION: Be sure not to contact the seal with the hammer during installation. Any direct contact to the seal may result in damage to the
seal.
6. Ensure seal is fully seated by checking the gap around the flange.
7. Install new steel spacer onto the shaft and into the seal.
8. Install pulley, washer and nut. Be sure pulley is installed with same side out as before removal.
9. Hold pulley with a strap-type wrench and tighten pulley nut to 290 Nm (215 lb ft).
10. Install pulley, washer and nut. Be sure pulley is installed with same side out as before removal. Hold pulley with a strap-type
wrench and tighten pulley nut to 290 Nm (215 lb ft).
SEAL
Pulley
SHAFT
WASHER
SHAFT NUT
APPLY LOCTITE AROUND
SEAL OUTSIDE DIAMETER
SEAL INSTALL TOOL
(P/N 10527085)
SEAL
STEEL PLATE
APPLY LOCTITE AROUND
SEAL OUTSIDE DIAMETER