Greenheck Jumpover Jackshaft Coupler (465053) User Manual
Fsd series, Combination fire smoke dampers, Application
Document number 465053
INSTALLATION INSTRUCTION SUPPLEMENT
Jump-over Jackshaft Coupler
FSD series
Combination Fire Smoke Dampers
Refer to:
‘Installation Instructions for FSD-XXX, DFD-
XXX, 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.
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
Copyright © 2013 Greenheck Fan Corporation
465053 Jumpover Jackshaft Coupler Supplement
Rev. 2 January 2013
COUPLER ASSEMBLY
JACKSHAFT BRACKETS
CRANKARM LINKAGE
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)
®