Removal Of Linings From Calipers; Replacement Of Organic Linings; Reassembly Of Organic Linings To Caliper - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

Table of Contents

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH

Remove backing plate attaching bolts and washers, and remove back plates and

insulator shim.

Carefully slide brake caliper out of torque plate bushing.

Slide pressure plate assembly (lining carrier) off anchor bolts.

Old organic linings may be removed by using a small drift pin or carefully drilling

out the rivets with a 1/8-inch diameter drill. Use care to prevent elongating the

rivet holes. Deburr the surface adjacent to the lining to allow lining to set flush.

Clean pressure plate and back plate surfaces of dirt, grease, etc. before installing

new linings.

Inspect pressure plate and back plate for excessive corrosion, visible damage, or

excessive warping.

(0.254mm) flatness.

Align new factory authorized replacement lining segments on pressure plate/back

plates and install P/N 105-0200 rivets, using Cleveland's rivet set, P/N 199-1, or

appropriate riveting tool.

Check to be sure lining is tight and movement free with no distortion of parts.

With tubular rivets, splits may result from the clinching operation. Refer to rivet

sketch (figure 6-4) for acceptance criteria.

REASSEMBLY OF ORGANIC LININGS TO CALIPER

Carefully wipe dirt, grease, etc. from cylinder, pressure plate, and portions of

piston extending beyond cylinder face, and push piston back into cylinder.

Slide pressure plate with new lining over anchor bolts and install brake caliper

into torque plate. For equipment that is operated in an amphibious environment,

or in extremely wet climates, lubricate the anchor bolt with Lubriplate.

equipment used in a non-amphibious environment, or in extremely wet climates,

lubricate the anchor bolt with a dry film lubricant (silicon spray). DO NOT USE

GREASE OR OIL. These materials will attract dirt enhance the wear of the

anchor pins.

Install back plate attachment bolts and washers in brake caliper.

Install insulator shims (typically used with metallic lining) and spacers as

applicable.

Slide back plates between brake disc and wheel/tire and install back plate

attachment bolts and washers into back plates.

Torque brake assembly back plate tie bolts to 60 inch-pounds. Two different

types of back plate tie bolts are used.

embedded in threaded end) will required replacement 6 to 8 installations or

whenever the bolts can be run in past the locking feature by use of fingers only.

Bolts

with

Effective: 5/25/05

AIRCRAFT MAINTENANCE MANUAL