TM 1-1730-201-13&P
FIELD MAINTENANCE
MAINTENANCE PLATFORM, TYPE B-1
PART NO. 50-19080 NSN 1730-00-390-5618 EIC: NA
STEP ASSEMBLY AND STAIR PLATFORM SUPPORTS
INITIAL SETUP:
Materials/Parts
References
Cleaning Compound, Solvent (WP 0034 00, Item 1)
Personnel Required
MOS 15H
REMOVAL
1.
Remove the four bolts (WP 0012 00, Figure 1, Item 5) washers, bushings, and nuts securing each step
(WP 0012 00, Figure 1, Item 6) to the stair supports (WP 0012 00, Figure 1, Item 22) and remove the step.
2.
Remove the remaining seven steps in a similar manner.
3.
Remove the WP 0012 00, Platform Assembly and Platform Handrails.
Remove the eight cotter pins and four pivot pins (WP 0012 00, Figure 1, Item 14) securing the stair supports
4.
to the base assembly and remove the supports.
CLEANING
WARNING
CLEANING SOLVENT MIL-PRF-680
Is combustible and toxic to eyes, skin, and respiratory tract. Wear protective gloves and
goggles/face shield. Avoid repeated or prolonged contact. Use only in well ventilated areas
(or use approved respirator as determined by local safety/industrial hygiene personnel). Keep
away from open ames or other sources of ignition.
Wash the parts in Cleaning Compound, Solvent.
TEST AND INSPECTION
1.
Inspect the steps for cracks and worn condition. Weld any small cracks.
2.
Inspect all pivot pins for excessive wear.
3.
Inspect the stair supports for cracks or weak spots. Weld any small cracks.
4.
Replace any defective parts.
INSTALLATION
1.
Position the stair supports (WP 0012 00, Figure 1, Item 22) on the base assembly (WP 0012 00, Figure 1,
Item 10) and secure with four pivot pins (WP 0012 00, Figure 1, Item 14) and eight cotter pins.
2.
Install the WP 0012 00, Platform Assembly and Platform Handrails.
3.
Position the step (WP 0012 00, Figure 1, Item 6) to the stair supports and secure with four bolts (WP 0012 00,
Figure 1, Item 5), washers, bushings, and nuts.
END OF WORK PACKAGE
0015 00-1/2 blank