Greenheck Jumpover Jackshaft Coupler User Manual

Document number 465053

2 15/16 in.

(75mm)

1/2 in. (13mm) SPLIT COLLAR

1 in.

(25mm)

1/2 in. (13mm) ID diameter

two piece coupler

2 3/8 in.
(60mm)

3 15/16 in.

(100mm)

C/L

COUPLER ASSEMBLY

JACKSHAFT BRACKETS

CRANKARM LINKAGE

®

INSTALLATION INSTRUCTION SUPPLEMENT

Jump-over Jackshaft Coupler

Refer to:
‘Installation Instructions for FSD-XXX, DFD­XXX, CFSD-XXX, SSFSD-XXX Series Fire and
Combination Fire Smoke Dampers
(Part #461336)

Application

The jump-over jackshaft coupler is designed to couple
together two independent jackshafts.

Notes

1. Remove the set-screws and seperate the two halves of
both two piece couplers.

2. Position the jump-over bracket such that it straddles the
two center jackshaft brackets and the crankarm nearest
the center jackshaft brackets.

3. Replace the bottom half of both two piece couplers and
the four set-screws using 80 in. lb. of torque.

FSD series

Combination Fire Smoke Dampers

FSD-XXX series dampers are
“UL CLASSIFIED (see complete marking
on product)”
“UL CLASSIFIED to Canadian safety
standards (see complete marking on
product)”
Standard 555 (Lisiting # R13317)

Standard 555S (Listing # R13447)

Copyright © 2013 Greenheck Fan Corporation

465053 Jumpover Jackshaft Coupler Supplement

Rev. 2 January 2013