Ford Shop Manual 41-50-2: Shoulder Harness Retractor & Inertia Sensor Operation
Scanned service manual page describing the shoulder-harness inertia retractor with a line-drawing figure.
This is a page (section 41-50-2) from a Ford shop manual covering the Seat and Shoulder belt system. The visible text describes the routing and operation of the shoulder harness: the webbing is directed from above and behind the occupant's shoulder at the proper downward angle over the shoulder and chest, attaching to the lap belt connector. A parenthetical note states that on the 2-door Lincoln Continental / Continental Mark VI, the webbing passes through a footman's loop attached to the headrest. The page explains that the shoulder harness retractor allows the webbing to move freely in or out at all times, except during vehicle deceleration, when it is automatically locked by a mechanically actuated inertia sensor (referenced as Fig. 1). The lower two-thirds of the page consists of a line-art illustration (identified by artwork code R2693-A) showing the retractor assembly with its spool, mounting bracket, and pendulum-style inertia sensor. Readers can learn how the emergency-locking shoulder belt retractor functions and how the belt routing differs on Mark VI/Continental 2-door models. The page carries no explicit year or model-year statement, though the Continental Mark VI reference implies the early-1980s Ford/Lincoln product line, consistent with a 1981 Ford LTD manual.
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Frequently asked questions
- How does the shoulder harness retractor work?
- It lets the webbing move freely in or out at all times, except during vehicle deceleration, when it is automatically locked by a mechanically actuated inertia sensor (shown in Fig. 1).
- How is the shoulder belt webbing routed?
- It is directed from above and behind the occupant's shoulder at the proper downward angle over the occupant's shoulder and chest, and attaches to the lap belt connector.
- Is the shoulder belt routing different on the 2-door Lincoln Continental / Continental Mark VI?
- Yes. On those models the webbing passes through a footman's loop attached to the headrest.
- What locks the shoulder belt during a sudden stop?
- A mechanically actuated inertia sensor automatically locks the retractor during vehicle deceleration.
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