|
| |
TM 5-2420-222-34
16-4.
HYDRAULIC IMPACTOR MOTOR ASSEMBLY REPLACEMENT (Con’t).
b.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective
goggles and gloves, and use only in a well-ventilated area. Avoid contact with
skin, eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame
or excessive heat. The solvent's flash point is 100°F-138°F (38°C-59°C). If you
become dizzy while using cleaning solvent, Immediately get fresh air and medical
help. If solvent contacts eyes, Immediately wash your eyes and get medical aid.
1.
Clean rock drill bit and all metal parts with dry cleaning solvent. Dry thoroughly with clean, dry rags.
2.
Inspect all metal parts for cracks, breaks, and bends.
3.
Inspect all threaded parts for damage.
c.
INSTALLATION
1.
If removed, install four bushings (2) and studs (7).
2.
Aline new seal (6), retaining plate (5), rock drill bit (4), and new seal (3) with mounting holes in hydraulic impactor
(8).
3.
Install four screws (1) in bushings (2).
FOLLOW-ON TASKS:
•
Install hydraulic impactor lines and fittings (see TM 5-2420-222-20).
TA701670
16-18
|
