IInnssttrruuccttiioonn SShheeeett FFoorr TTooooll ##991111
Rev N/C
3/09
No.911-IS
22
555 Dawson Drive, Camarillo, CA 93012 Phone 805-482-6913 • Fax 805-482-7422
A Division of Thiessen Products, Inc.
ing. Then place washer No.1064 and nut No.1065 onto end on No.1024 screw.
Nut should should be installed far enough to have full thread engagement. See
Fig 4.
6. Next secure trap door to bench or soft jaw vice. Then turn tool screw No.1024
counter-clock wise with a 3/4" box end wrench, or socket and ratchet, until bear-
ing comes free from door. See Fig 5.
Installing new trap door bearing
1. Inspect and clean trap door bearing surface and retaining ring groove. Clean as
needed. After cleaning secure trap door on bench or vice with soft jaws.
2. We will instruct you on installing the front door bearing. Lube O.D. surface of new
door bearing. Position lubed door bearing square over bore. Next Insert tool
No.1077-2 installer pilot into I. D. of bearing. See Fig 6.
3. Notice the two dowel pins on the outer side of trap door. See Fig 7. Set tool
lower plate No. 911-1 on trap door and locate on dowel pin. You should have the
lasered letter "B" plate facing upward toward you. See Fig 7.
4. Next place the upper tool plate No. 911- 2 on top of lower plate No. 911-1. The
upper plate should have laser marked side with the letter "B" facing you. Now
install lightly lubed three 1/4" Allen screws No.1203. into the three 1/4" holes on
top of the upper plate thus attaching tool to trap door. Torque 3 allen to 100 inch
pounds. See Fig 8.
5. Next lube threads on tool screw No.1024. and install into No. 911-2 upper. Turn
screw clockwise No.1024 into installer pilot
No.1077-2 using a 3/4" boxed end wrench
or socket and ratchet. Turn screw until bear-
ing seats in bearing bore.
6. Install new door bearing retainer ring into
trap door.
7. When installing the rear trap door bearings
attach the upper & lower plates to door
with the engraved letter "A" facing you
when using this tool and follow the same
instructions.
See Fig 9.
FIG 3
FIG 4
FIG 5
FIG 6
FIG 8
FIG 7
FIG 9
L
asered
“B”
Dowel
Pin
Engraved
“A”
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