Linear CHCR-7/8 Leaflet

CHCR

Carriage House Door
Rail Conversion Kit

Linear’s carriage house door rail conversion kit is a garage door 
operator rail accessory that converts standard rails for installations 
with heavier carriage house style garage doors. The rolled-steel 
conversion rail bolts to the top of the standard rail to form a strong 
“I-beam” rail assembly.

The rail conversion kit is designed for installation on Linear’s 
belt-drive and chain-drive rails. The rail models compatible with the 
rail conversion kit are:

This product is warranted to the original consumer against defects in material and 
workmanship for fi ve (5) years. Linear will repair, or at its option, replace, any device 
that it fi nds requires service under this warranty, and will return the repaired or replaced 
device to the consumer at Linear’s cost. Devices must be sent to Linear for service 
at owner’s expense. This warranty does not apply to damage to the product from 
negligence, abuse, abnormal usage, misuse, accidents, normal wear or tear or due 
to failure to follow Seller’s instructions, or arising from improper installation, storage 
or maintenance. In no event will Linear be responsible for incidental, compensatory, 
punitive, consequential, indirect, special or other damages. The remedies provided by 
this warranty are exclusive. Some states do not allow the exclusion or limitation of 
incidental and consequential damages, so the above limitation or exclusion may not 
apply to you. Any warranties implied by law are limited to the time periods set forth 
above. Some states do not allow limitations on how long an implied warranty lasts, so 
the above limitation may not apply to you. This warranty gives you specifi c legal rights, 
and you may also have other rights which vary from state to state.

For warranty service and shipping instructions contact Linear at the phone number 
shown below. In order to be protected by this warranty, save your proof of purchase 
and send a copy with equipment should repair be required. All products returned for 
warranty service require a Return Product Authorization Number (RPA#). Contact 
Linear Technical Services at 1-800-421-1587 for an RPA# and other important details.

INSTR,INSTL,CONVERSION,CARRIAGE - LINEAR P/N: 227800 A - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 8.500 x 5.500” - SCALE: 1-1

Copyright © 2007 Linear LLC 

227800 A

CONVERSION

RAIL

SUPPORT

BRACKET

ADDITIONAL

BRACKET

HARDWARE

FOUR 1/4-20 CARRIAGE BOLTS

FOUR 1/4-20 KEPS NUTS

EXTRA 1/4-20

CARRIAGE BOLT

AND KEPS NUT

BE SURE ALL THE
SLOTTED HOLES
ALIGN IN BOTH RAILS

ATTACH CONVERSION RAIL
TO STOCK RAIL WITH
CARRIAGE BOLTS AND
LOCKING NUTS SUPPLIED

PLACE THE CONVERSION RAIL
ON THE FAR SIDE OF THE STOCK
RAIL AS SHOWN

ATTACH SUPPORT
BRACKET AT CENTER
OF CONVERSION RAIL

CONNECT SUPPORT
BRACKET TO A
HANGER STRAP