TM 5-3805-254-34
6-21.
LOW RING GEAR AND LOW CLUTCH REPLACEMENT.
This Task Covers:
a.
Removal
c.
Installation
b.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Low planetary carrier removed (see paragraph 6-20)
•
Hydraulic fluid (Item 7, Appendix B)
•
Dry cleaning solvent (Item 23, Appendix B)
Tools/Test Equipment:
General Safety Instructions:
•
General mechanic's tool kit
•
Dry cleaning solvent is flammable and must not be
used near open flame. Use only In a well-ventilated
area.
a.
REMOVAL
NOTE
First two clutch plates removed (with clutch disk between) are slightly thicker than others. Note
location of thick clutch plates for Installation.
1.
Remove thick clutch plate (1), clutch disk (2), and low ring gear (3) from adapter housing (4).
2.
Remove thick clutch plate (1), five clutch disks (2), and five clutch plates (5).
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-138F (38°C-59C). 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 metal parts, except clutch disks, with dry cleaning solvent.
2.
Inspect metal parts for cracks, breaks, wear, and other damage. Replace if damaged.
3.
Measure thickness of two thick clutch plates (1). Clutch plates must measure no less than 0.1161 in. (2.9489 mm).
4.
Measure thickness of other five clutch plates (5). Clutch plates must measure no less than 0.0993 in. (2.5222 mm).
5
Measure thickness of six clutch disks (2). Clutch disks must measure no less than 0.1347 in. (3.4214 mm).
6-102
