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Overhaul (OH) Releases are subject to stock on hand. Call to confirm availability.
- • TOST E-85 Operating Manual
E 85 Series
The E 85 tow release is used as nose release for gliders. As tail release for tugs it
can be used for aero tow and banner towing. Approved for maximum cable load of 14.1 kN. The E 85 has no automatic release. The maximum manual release force is 140 N. Approved by the German aviation authority (LBA – Luftfahrt-Bundesamt) TCDS 60.230/1, as conforming to airworthiness regulations for tow releases, it also corresponds to JAR 22 requirements. For all-up weight up to 900 kg. Approved for all aircraft.
E 85 with Lever
Standard version with 4-position release lever. Allows a release lever to be fitted by the aircraft manufacturer, or the release cable can be attached directly to one of the segment holes
This nose and tail tow release is offered with a shortened segment for mounting in tight spaces and has a special angled release lever.
This version has a standard segment, but has an extended segment bolt for fitting a special release lever outside the release body.
E 85 with Special Release Lever
This version of the E 85 is equipped with the lateral special release lever (300320). It is used for the installation at various release supports, eg. Piper. Works also as optional equipment parallel to the CRG, eg. for banner towing.
||E 85 with lever
||E 85 without lever
Do not change the glider manufacturer's original positioning of the release
Before removing the release, make a sketch, or take a photo, as a record for installing it again.
Tools needed: You need only some basic tools to install or remove the release in one piece.
A No. 5 Allan key, a 10 mm closed-end wrench, or two 10 mm open-end wrenches.
To install a release use DIN 931-10. 9, or DIN 912-12.9 M6 bolts and DIN
985-M6-6 hexagon nuts.
New bolts must have the same shaft length as the original ones. It is especially important that the thread is not subjected to load, and that the shaft does not protrude more than the thickness of a washer beyond the mounting, as the nut cannot then be tightened properly.
Torque: MA = 8.75 Nm (77.5 lb-in) The release must be installed so that it is not under stress. When a release has been removed, new nuts and bolts should be used when it is reinstalled.
After installing a release, and as part of the periodic aircraft inspections,
these checks must be carried out:
• You must be able to open the unloaded release completely by applying a force of 7.5 ± 1.5 daN (16.5 ± 3.3 lbs.) - measured on a spring balance - on the manual release lever in the cockpit over the full travel of the release actuation arm.
• When the release hook is under a load of approx. 150 daN (330 lbs.), you should still be able to operate the manual release lever in the cockpit with the same force, i.e., 7.5 ± 1.5 daN (16.5 ± 3.3 lbs.).
• If both a nose and a center-of-gravity release are connected to the same release cable, the manual force required to operate them from the cockpit may not exceed 17 daN (37 lbs.), even if one of the releases is under a load of 150 daN (330 lbs.).