Installation Sheet

© 2016 by Bobrick Washroom Equipment, Inc.
Form No. 3974-69 Rev. 5/11/16 Printed in U.S.A.
In the U.S.A.: BOBRICK WASHROOM EQUIPMENT, INC.
Los Angeles: 6901 Tujunga Ave., North Hollywood, CA 91605-6213: Tel: [phone], FAX: [phone]
New York: 200 Commerce Drive, Clifton Park, NY 12065-1350; Tel: [phone], FAX: [phone],
or e-mail: [e-mail]
In Canada: BOBRICK WASHROOM EQUIPMENT COMPANY
45 Rolark Drive, Scarborough, Ontario M1R 3B1 • Eastern Canada: Tel: [phone]
• FAX: [phone] • Western Canada: Tel: [phone] • FAX: [phone]
INSTRUCTIONS FOR REPLACING 3974-150, AUTOMATIC UNIVERSAL ROLL TOWEL DISPENSER MODULE
BOBRICK MODELS B-3974, AND B-3979 CONVERTIBLE AUTOMATIC ROLL TOWEL DISPENSER AND WASTE RECEPTACLE
REMOVING EXISTING MODULAR HOUSING ASSEMBLY
1. Unlock and open the door of the Modular Housing
Assembly.
2. Remove the paper towel roll if applicable.
3. Loosen but do not remove the 3961-24 Washer Lock Nuts
located on the left and right sides of the Modular Housing
Assembly until the 3961-25 Carriage Bolt can be moved.
The 3961-24 Hex Lock Nut should not be removed from
the 3961-25 Carriage Bolt, ensuring that the Carriage Bolt
will not fall into the wall cavity. (See Figure 1)
4. Remove the mounting hardware, the 3961-25 Carriage
Bolt with the 3961-24 Washer Lock Nut, by sliding them
toward the hole until the head of the carriage bolt can
move through the round portion of the keyhole slot. Put
aside, four places.
5. Repeat Steps 3 and 4 for the mounting screws at the top of
the Modular Housing Assembly while holding the Housing
in place with one hand.
6. Carefully remove the housing from the cabinet.
INSTALLING NEW MODULAR HOUSING ASSEMBLY
1. Unlock and open the door of the Modular Housing
Assembly.
2. Carefully slide new Modular Housing Assembly into the
cabinet and support it from underneath with one hand.
(See Figure 2)
3. Insert one set of mounting hardware, the 3961-25 Carriage
Bolt with the 3961-24 Washer Lock Nut, into the round
portion of the upper right or left side keyhole slot from
the inside of the housing with the head of the 3961-25
Carriage Bolt going in first. Position the square shoulder
of the 3961-25 Carriage Bolt so that it is parallel with
the straight sides of the keyhole slot and slide the entire
assembly as far over as it will go. The square shoulder of
the 3961-25 Carriage Bolt should be in contact with the
end of the rectangular portion of the key slot to ensure
proper seating of the mounting hardware.
(See Figures 3 & 4)
4. Tighten down the 3961-24 Washer Lock Nut with a wrench.
The mounting hardware should not move when tugged
and the Modular Housing Cabinet should be tight to the
cabinet. Do Not overtighten the washer lock nuts.
5. Install the rest of the mounting hardware as described in
steps 3 & 4 for the other keyhole slots.
NOTE: Waste capacity of these units can be changed by
ordering Bobrick part numbers:
367-60 (12-Gallon Waste Receptacle Module)
368-60 (18-Gallon Waste Receptacle Module)
Figure 1
Figure 2
Figure 3
Figure 4
TOOL REQUIRED TO REMOVE LOCK NUT
TOOL NAME TOOL SIZE
Socket, open end or box end wrench 3/8"
Roll Towel Dispenser Module
3961-25 Carriage Bolt
3961-24 Washer Lock Nut
(Mounting Hardware)
Cabinet
3961-24 Washer Lock Nut
3961-25
Carriage Bolt
Right Side Keyhole Slot
Right Side Key Hole Slot