Page 12 of 16 91194 Rev G
PART # DESCRIPTION
86091 10-32 LOCK NUT
92300 ARROW LOCK SECURITY BRACKET
92303 LOCK SUPPORT PLATE
ARROW LOCK (USPS PROPRIETARY LOCK)
3/8” SOCKET WRENCH
MASTER ACCESS DOOR ARROW LOCK INSTALLATION
vital™ cluster box unit - 1570 “F” Series
(to be completed by USPS personnel)
For USPS applications:
1) Arrow Lock is installed by US Postal Service personnel only. Contact your local Post Ofﬁce to
arrange installation of Arrow Lock.
For Non-USPS applications:
1) Please disregard instructions related to Arrow Lock throughout this manual.
2) Master access door and parcel door private lock mechanisms will be installed at factory unless
otherwise speciﬁed by customer.
Open master access door.
Remove ﬁve (5) 86091 lock nuts, as well as 92303 lock support plate.
Dispose of plastic shipping spacers.
Place Arrow Lock into the Arrow Lock security bracket and position on door.
Replace one (1) 86091 lock nut in the rear position to secure Arrow Lock
Install 92303 lock support plate as shown.
Replace remaining four (4) 86091 lock nuts. Torque 25 to 30 inch-pounds
(overtightening may keep Arrow Lock from operating correctly).