LO-5-5420-202-13

LO 5-5420-202-13

Card 13 of 22

NOTES:

WARNING

Cleaning Compound (MIL-PRF-680) is flammable and may cause

irritation to the eyes or skin. Use in well ventilated areas and keep

away from heat and open flames. Wear protective goggles, gloves,

and clothing. If compound comes in contact with eyes, flush

immediately with water. If compound comes in contact with skin, wash

with soap and water. Failure to comply may result in injury, illness or

death to personnel.

Compressed air used for cleaning purposes will not exceed 30 psi

(207 kPa). Use only with effective chip-guarding and personal

protective equipment (goggles/faceshield, gloves, etc.). Failure to

comply may result in injury to personnel.

12. COMPENSATING IDLER WHEEL BEARINGS AND ROADWHEEL BEARINGS. Clean

grease from seal assembly. Clean lubricant pressure relief fitting using a clean, lint-free, dry

cloth (MIL-C-40129). Check lubricating pressure relief fittings for proper operation. The

plunger-type fittings are checked by pulling up on the plunger. The plunger should move

freely. The ball-type fittings should be checked to ensure that the two relief ports are open. If

plunger does not move freely, or relief ports are not open (ball-type), remove and thoroughly

clean in cleaning compound (MIL-PRF-680). Dry with compressed air or lint-free cloth.

Verify that plunger or ball moves freely before installing fitting. Apply lubricant until it

appears at lubricant pressure relief fitting, No lubricant should appear at seal assembly.

Wipe off excess lubricant from relief fitting.

13. TOW CABLES. Clean cables with cleaning compound (MIL-PRF-680), and coat with

corrosion preventive compound (MIL-PRF-16173, Grade 1).

LO-5-5420-202-13 - Page 13 of 28