Window crank spins or sticks? Separate the handle, operator and sash

Describe the movement you already noticed

A handle that feels loose on its shaft is different from a crank that turns while the window stays still, or a sash that moves most of the way and then rubs. Report those observations without repeatedly testing a stuck window. Include whether the lock was released during ordinary use and whether it now closes and latches.

Andersen's spinning-handle guidance identifies several possibilities: a loose set screw, a handle needing replacement or an operator needing replacement. The symptom alone does not justify ordering the whole mechanism. Ask the repairer to distinguish the connection and handle from the operator itself.

Rubbing may call for a different repair

Andersen treats dragging or rubbing on its 400 Series casements as a possible sash-alignment issue. Its hinge-adjustment guidance applies only to specified split-arm windows manufactured from 1998 onward; it excludes earlier units and straight-arm versions. That is a reason to identify the window before assuming an adjustment is available.

Show visible scrape marks or an uneven closing gap from indoors. Ask whether the sash, hinges and locking need assessment alongside the crank. Do not force the handle, push the sash from outside or detach an arm to prove where it binds. Flag a window that cannot close or secure the opening when requesting help.

Build the parts identity before choosing a finish

Andersen's straight-arm replacement guide uses manufacturing period, handing, visible glass width and operator-arm length to select parts. It also distinguishes straight-arm from split-arm systems. A familiar-looking handle or matching color is not enough to identify the mechanism beneath it.

For the A-Series and 400 Series straight-arm replacements listed in that guide, handles and covers are sold separately. Some 1995–1998 windows also need an adapter plate. Have the complete package confirmed for your actual window rather than assuming a replacement operator includes everything.

• Provide the brand, series and original order information, plus an accessible product mark if readable from indoors.
• Label photos as an inside view and show the lock's side. Have the supplier confirm left/right handing using that manufacturer's convention.
• Show any arm already visible safely: a straight member or a jointed arrangement. Leave concealed arms and measurements for the repairer.
• Keep the handle, cover, operator and any required adapters as separate items on the proposed parts list.

Plan access and the final operating check

Tell Coast & Craft which floor the window is on and whether furniture, an insect screen or a window covering limits access. Leave screens and hardware assembled for the inquiry; do not lean outside or climb onto furniture for photos.

Send the identification details and symptoms for scope review. Ask whether the accepted work is a handle repair, operator replacement or specialist window service. At handover, have normal opening, closing, latching and screen fit checked together—not just that the new crank turns.