3-69. SPRING ASSEMBLY MAINTENANCE (MODEL WPES-1) - continued.
Place spring assembly (1) on workbench
Remove two nuts (2), two bolts (4), two spacer tubes (6), and two angle bars (3).
Remove nut (7) and bolt (5).
Dry cleaning solvent P-D-680 is highly toxic and can ignite organic materials,
nitrates, carbides, and chlorates. Wear eye, skin, and respiratory protection. Use
in a well-ventilated area.
Clean all parts with a wire brush.
Soak all parts in dry cleaning solvent and let air dry.
Inspect spring assembly for distortion, damage such as cracks, thread damage (bolts/nuts), excessive rust,
and missing parts.
Ensure that all fitting assembly holes are not elongated or oversize.
Inspect for broken spring bars.
Clean all spring assembly parts thoroughly and coat with light oil.
Position all spring bars in place so that center holes aline.
Install bolt (5) and nut (7).
Install two angle bars (3) with rivet pin keyed to hole in second spring bar from top.
Install two spacer tubes (6), two bolts (4), and two nuts (2).