Fastenings, Winch/motor gearbox coupling | Lewmar 34-77 specification

•Reﬁt the centre stem assembly, taking care to hold the gear stack in position as before (Fig 1.6.9). Rotating the gears will facilitate re-engagement of the pawls, and ratchet tracks.

Fig. 1.6.9

•Replace the drum, collets, feeder arm in correct feeder position and screw on the top cap.

1.7Fitting a convertible electric winch 66-77

For winches 66-77, simply remove the winch drum and access to mounting holes is available through holes in the base of the centre stem.

1.8 Fastenings

Fix the winch to the deck using CSK Head, Stainless Steel Washers/Locknuts.

•For the correct bolt length refer to Fig. 1.8.1 and table.

NOTE: Deck fastenings are not supplied.

Fig. 1.8.1

+ ( x ) m m / i n c h =

1.9 Winch/motor gearbox coupling

Mechanical coupling of the horizontal drive unit and reduction gearbox to the winch should be mounted as Fig 1.9.1 (34−65) and Fig. 1.9.2 (66−77) with instructions of previous pages.

•The horizontal drive unit assembly should be bolted from below decks. Use threadlock on item No.15 (see Sec. 8.2).

•If a thick deck or increased motor/gearbox distance from deck demands a greater ‘T’ dimension (see Sec. 9). Optional extension kits are available to special order. Contact your nearest Lewmar ofﬁce.

Fig. 1.9.1

Fig. 1.9.2

Winch

34/40

44/48

50/54

64/65

66/68 & 77

Fastening

5x M6 (1 /4 ” W)

5 x M8 (5/16 ” W)

6 x M8 (5/16 ” W)

5 x M10 (3/8” W)

6 x M10 (3/8” W)

X mm (min.)

X inch (min.)

1 1 /4

1 5/16

1 7/16

1 1 /2

1 1 /4

8Ocean Electric Winches 34 - 77

34-77 specifications

The Lewmar 34-77 is a sophisticated and reliable winch designed for sailing enthusiasts seeking both performance and ease of use. This versatile winch is part of Lewmar's extensive range, known for its innovative engineering and high-quality materials. The 34-77 model combines strength, durability, and advanced features, catering to a variety of sailing conditions and user preferences.

One of the standout features of the Lewmar 34-77 is its self-tailing mechanism. This technology allows sailors to operate the winch without manual assistance in securing the line, providing ease of handling, especially when managing larger sails or when single-handed sailing. The self-tailing design features a robust, integrated clutch that securely holds the line while the winch is engaged, ensuring optimal performance without slipping.

The winch is constructed from high-grade materials, with a focus on maximizing corrosion resistance and longevity. The aluminum construction not only makes the winch lightweight but also provides exceptional strength, allowing it to handle heavy loads with ease. The hard-anodized surface treatment enhances protection against wear and abrasion, ensuring the winch can withstand the harsh marine environment.

Another characteristic that distinguishes the Lewmar 34-77 is its innovative gearing system. The winch features a 2-speed operation, allowing sailors to choose between higher speed for quick trimming and more power for heavy loads. This versatility enables a more tailored approach to sailing maneuvers, enhancing the overall sailing experience.

The design of the Lewmar 34-77 is also user-centric, incorporating a smooth and ergonomic drum. This feature minimizes friction, enabling easier line handling and increased efficiency. The winch’s low-profile design ensures that it doesn't obstruct movement on the deck, making it an ideal choice for both racing and cruising vessels.

In summary, the Lewmar 34-77 is a high-performance winch that embodies the essence of modern sailing technology. Its self-tailing mechanism, durable materials, efficient gearing, and user-friendly design make it a preferred choice among sailors who demand reliability and efficiency in their equipment. Whether you're racing competitively or enjoying a leisurely cruise, the Lewmar 34-77 ensures you have the tools necessary for a successful and enjoyable sailing experience.