DRIVE DISASSEMBLY —
(Refer To Parts Drawing Figure 19)
Prior to initiating any disassembly or repair, clean accumulated
dirt and grime from the surface of the drive housing. Clean the
exposed portion of the input and output shafts with a solvent
and a non-abrasive cloth. If the seals only are being replaced
proceed to Step 5. If the drive will be disassembled for
inspection or repair, skip to Step 9.
CAUTION:
Do not damage shaft; new seals will leak if seal
contacting surface is marred. Do not use abrasive material on
shaft seal contacting surface.
5.
SEAL REMOVAL —
(When drive is to be disassembled, skip
to Step 9, Page 12.) Replacement is recommended. When
removing seals, maintain shafts in a horizontal plane to
prevent any foreign matter from falling into the drive
bearings. Drain oil from drive. Refer to Figures 12, 13, 14 &
15.
Input Seals —
Seals can be replaced without removing the
drive from the driven shaft. However, the seal cage must be
removed to access the seal.
Sizes 4407-4507 —
Remove seal cage, Ref. #21,
and save shim-gaskets, Ref. #31, for reference when
reassembling. Drive out old seal from seal cage.
Scrape old Permatex from bore exercising caution not
to score the bore.
Size 4608 —
Remove seal cage, Ref. #38, and save
shim-gaskets, Ref. #39, for reference when
reassembling. For H.S. seal removal on drives having
a cooling fan or backstop, first remove the accessory
and then remove the seal cage, Ref. #63 or #66.
Save shim-gaskets for reference.
All Sizes —
Drive out old seal from seal cage. Scrape
old Permatex from the bore exercising caution not to
score the bore.
Output Seals (Figures 14 & 15) —
Drive removal from
driven equipment may be necessary. Refer to removal
instructions, Section II, Page 9.
After dismounting drive from driven equipment, remove the
output shaft cover, Ref. #14, on Sizes 4407-4507. NO
NOT remove seal cages, Ref. #11 or #12, Sizes
4407-4507, and Ref. #22 or #27, Size 4608. Removal of
these cages will require readjustment of the bearings
(Section III, Page 21).
Refer to Figures 12, 13, 14 & 15 and remove seals as
follows:
a) Clean shaft extension with solvent and remove all sharp
edges. Use a sharp center punch to lightly punch the seal case
as a guide for the drill. NOTE: DO NOT drive seal into the
bore too deep. Seals are not axially retained and disassembly
of the drive may be required if the seal is driven too deep.
b) Wrap several turns of tape around a .125" (3mm) diameter
drill approximately .250" (6 mm) from the drill point to
prevent the drill from entering too deeply into the housing
and damaging the bearing. Grease or magnetize the drill to
help retain the chips. Drill two .125” (3 mm) diameter holes
in the seal case 180° apart. Control the angle of the drill as
illustrated in Figure 13 to prevent damage to the shaft.
c) Insert two #10-.750" sheet metal screws into the seal
case leaving .500" of the screw protruding above the seal
face. DO NOT drive the screw more than .250" (6 mm)
beyond seal face or bearing damage may occur. Use a
claw type pry bar under the screw head as shown in
Figure 13 and lift the seal out. Remove all chips. Use a
magnet to remove the chips that fall into the bore. Flush
the drive to remove chips from the bearing. Remove
Permatex from the housing bore.
The Falk Corporation, P.O. Box 492, Zip 53201-0492
378-102
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
August 2004
Fax: 414-937-4359 e-mail: [email protected] web: www.falkcorp.com
Supersedes 6-92
®
a good name in industry
Quadrive Shaft Mounted Drives
•
Owners Manual
Sizes 4407/M4407-4608/M4608
(Page 11 of 56)
REF. #14
HOLLOW SHAFT
COVER
(4407-4507 ONLY)
REF. #31
REF. #23 REF. #21 REF. #39
INPUT SIDE
HIGH SPEED SHAFT
Figure 12
Figure 13
RIGHT WAY
WRONG WAY
