Safety Walk Repair; Surface Preparation; Product Of Listing For Liquid Safety Walk Compound; Application Of Liquid Safety Walk Compound - Piper Navajo Chieftain PA-31-350 Service Manual

4.
Another important matter to consider is that hard, brittle coatings that are usually best for abrasion
resistance should not be used in areas which incur high stress, flexing or impact. Such coating may crack, thus
creating a weak area.
4-103. SAFETY WALK REPAIR.
4-104. SURFACE PREPARATION.
a.
Clean all surfaces with a suitable cleaning solvent to remove dirt, grease and oils. Solvents may be applied
by dipping, spraying or mopping.
b.
Insure that no moisture remains on the surface by wiping with a clean dry cloth.
c.
Outline the area to which the liquid safety walk compound is to be applied, and mask adjacent surfaces.
NOTE
Newly painted surfaces. shall be allowed to dry for 2.5 hours
minimum prior to the application of the safety walk.
4-105. PRODUCT LISTING FOR LIQUID SAFETY WALK COMPOUND.
a. Suggested Solvents:
Safety Solvent per MIL-S-18718
Sherwin Williams Lacquer Thinner R7KC120
Glidden Thinner No. 207
b. Safety Walk Material:
Walkway Compound and Matting Nonslip (included in Piper Part No. 179872)
4-106. APPLICATION OF LIQUID SAFETY WALK COMPOUND.
Liquid safety walk compound shall
be applied in an area, free of moisture for a period of 24 hours minimum after application. Do not apply when
surface to be coated is below 50°F. Apply liquid safety walk compound as follows:
a.
Mix and thin the liquid safety walk compound in accordance with the manufacturer's instructions on the
container.
b.
Coat the specified surfaces with a smooth, unbroken film of the liquid safety walk compound. A nap type
roller or a stiff bristle brush is recommended, using fore and aft strokes.
c.
Allow the coating to dry for 15 minutes to one hour before recoating or touch-up; if required after
application of the initial coating.
d.
After recoating or touch-up. if done, allow the coating to dry for 15 minutes to one hour before removing
masking.
NOTE
The coated surface shall not be walked on for six hours minimum
after application of final coating.
Reissued:
9/23/80
STRUCTURES
1H9
NAVAJO CHIEFTAIN SERVICE MANUAL