Printed in USA 5116 6/16
Harken equipment requires minimal maintenance, but some is
required to give the best service and to comply with Harken's
limited warranty.
It is important to keep equipment clean by frequently flushing with
fresh water. In corrosive atmospheres, stainless parts can show
discoloration around holes, rivets, and screws. This is not serious
and can be removed with a fine abrasive.
For additional safety, maintenance, and warranty information; www.harken.com/manuals or the Harken catalog.
Warranty
General Maintenance
Flush blocks thoroughly with fresh water. Periodically, disassemble
the blocks and clean with detergent and fresh water.
Important: Exposure to some teak cleaners and other caustic
solutions can result in discoloration of part and is not covered
under the Harken warranty.
Replacement part numbers
Block
Fastener
FHCS (2) Size (mm)
Thimble
cap (2)
Thimble
(2)
Mylar
washer (3)
Beta
cheek
Sheave
with ULC
bearing
Torlon
Balls
Size (Qty)
Axle
Alpha
cheek with
band
Stop
ball
Strop
3300
HFS1367
6X12
H-71376
H-71375 H-22888A AL-4092
*
MP-126
1/4" (30)
MS-518
H-72108
MP-117
H-70938
3301
HFS1365
8X16
H-72105
H-72102
H-46227
AL-4089
*
MP-129 5/16" (34) MS-519
H-72115
MP-117
H-72106
3302
HFS1366
12X20
H-72167
H-72164
H-45007
AL-4088
*
MP-127
3/8" (38) MS-520
†
H-72171
MP-117
H-72168
3303
HFS1368
12X25
H-72275
H-72274
H-49195
AL-4086
*
MP-128
1/2" (34)
MS-521
H-72270
**
H-72276
*Sheaves have pressed-in ULC composite sleeve bearings. Contact Harken
** Beta cheek in 3303 block uses spring loaded pinstop.
† Titanium plates available, order MS-549
Mylar is a registered trademark of DuPont Teijin films US Limited Partnership
Reorder Parts
3299 block is riveted.
Components are not
replaceable.
Sheave with ULC
bearing and snap-fit
sideload balls
Mylar
washer
Small strop eye
Socket head
cap screw
Raised tab must match notch
Alpha cheek
Raised Tab
Mylar
®
washer
Alpha cheek assembly
Stop
ball
Strop
Large strop eye
Mylar
washer
Raised tab
Axle
Beta cheek in 3303
Notch
Thimble
cap
Thimble
