I N S T A L L A T I O N S H E E T
Big Boat Control Blocks,
Track and Trim Caps
Control Blocks: 3168, 3169, 3170, 3171
Track: 3154, 3155, 3156, 3159
Trim Caps: 3157, 3158
N15W24983 Bluemound Rd., Pewaukee, WI 53072-4974 USA
Telephone: (262) 691-3320 • Fax: (262) 701-5780
Web: http://www.harken.com • Email: [email protected]
Read instructions before you cut or mount track
To cut track to length, make sure stop holes for control blocks do not interfere
with hole for mounting track. If necessary, cut both ends of track.
It may be necessary to put trim caps, control blocks and traveler car on track
before mounting. Slide control assemblies onto track with bumper facing car.
Keep control assembly loose so it can be moved out of the way while installing
track.
Cut Track
Mount Track
Through-bolt track using
5
/
16
" (8 mm) flathead screws. 3156 Track uses slide
bolts, see instruction sheet for correct installation.
Dead-ending Line at End Control
Remove any burrs on edges of track. Press 3157 or 3158 trim caps in place.
Install Control Blocks
1846, 3154, 3155, 3159
Use 25 mm Screws
3156
Use 45 mm Screws
Position control block flush with end of track. Drive screw firmly against
top surface to mark track, then loosen. Slide control block away.
IMPORTANT: Drill
27
/
64
" (10.5mm) hole only through top suface of track.
Do not use screw hole in control block as drill guide.
13
/
16
"
(21mm)
3
1
/
4
" (83 mm)
Drill Size
27
/
64
" (10.5 mm)
To determine correct track length, make sure track ends, without trim caps, are
13
/
16
" (21 mm) from edge of cockpit coaming.
Secure control block to track by tightening correct screw into hole.
Install Trim Caps
No
Yes
Cockpit Installation
IMPORTANT: Insert loop down from above.
I N S T A L L A T I O N S H E E T
Big Boat Control Blocks,
Track and Trim Caps
Control Blocks: 3168, 3169, 3170, 3171
Track: 3154, 3155, 3156, 3159
Trim Caps: 3157, 3158
N15W24983 Bluemound Rd., Pewaukee, WI 53072-4974 USA
Telephone: (262) 691-3320 • Fax: (262) 701-5780
Web: http://www.harken.com • Email: [email protected]
Read instructions before you cut or mount track
To cut track to length, make sure stop holes for control blocks do not interfere
with hole for mounting track. If necessary, cut both ends of track.
It may be necessary to put trim caps, control blocks and traveler car on track
before mounting. Slide control assemblies onto track with bumper facing car.
Keep control assembly loose so it can be moved out of the way while installing
track.
Cut Track
Mount Track
Through-bolt track using
5
/
16
" (8 mm) flathead screws. 3156 Track uses slide
bolts, see instruction sheet for correct installation.
Dead-ending Line at End Control
Remove any burrs on edges of track. Press 3157 or 3158 trim caps in place.
Install Control Blocks
1846, 3154, 3155, 3159
Use 25 mm Screws
3156
Use 45 mm Screws
Position control block flush with end of track. Drive screw firmly against
top surface to mark track, then loosen. Slide control block away.
IMPORTANT: Drill
27
/
64
" (10.5mm) hole only through top suface of track.
Do not use screw hole in control block as drill guide.
13
/
16
"
(21mm)
3
1
/
4
" (83 mm)
Drill Size
27
/
64
" (10.5 mm)
To determine correct track length, make sure track ends, without trim caps, are
13
/
16
" (21 mm) from edge of cockpit coaming.
Secure control block to track by tightening correct screw into hole.
Install Trim Caps
No
Yes
Cockpit Installation
IMPORTANT: Insert loop down from above.
