4-71. SNATCH BLOCK (CONT)
Remove capture nut (13), lower block side (7), and thrust washer (14) from pulley pin (10).
Remove pulley pin (10) from vise and remove lubrication fitting (15) from end of pulley pin (10).
Cleaning compound solvent is used to clean parts and is potentially dangerous to
personnel. Extinguish all smoking materials and do not allow sparks or open
flame near the work area. Use skin and eye protection and work in a well-
Clean all parts removed in degreaser tank with cleaning compound solvent and wire brush as necessary. Remove
corrosion using wire brush and crocus cloth.
Inspect upper and lower block sides (3 and 7), swivel and link assembly (8), and mounting bracket weldment on
platform for cracks, broken welds, or warping. Inspect keeper pin assembly (2) and quick-disconnect links (4).
Replace any defective parts.
Inspect snatch block stow clamp, handle, and attaching parts. Replace any missing or defective parts.
Inspect snatch block pulley for any evidence of cracks or excessive wear. Check sleeve bushing installed in hub of
pulley. If bushing shows signs of wear or other forms of deterioration, notify DS maintenance.
Install grease fitting (15) into pulley pin (10).
Place pulley pin (10), orientated with lubrication fitting (15) down, into a machinist's vise with vise jaw caps.
Install thrust washer (14) and lower block side (7). Install capture nut (13) and rotate lower block side (7) clockwise
until captive nut and block side are tight.
Remove block side (7) and pulley pin from vise and secure lower block side (7) in vise with pulley pin orientated
upward. Install pulley (12) and thrust washer (11).
Place upper block side (3) onto pulley pin (10) and install capture nut (9). Rotate upper block side (3) clockwise to
tighten capture nut on pulley pin (10). Ensure pulley (12) rotates freely on pulley pin (10).