TM 5-3805-262-34CLEANINGDry cleaning solvent P-D-680 used to cleanWear protective goggles and gloves andparts is toxic and flammable.use only in a well ventilatedarea. Avoid contact with skin, eyes and clothes and don’t breathevapors. Do not use near open flame or excessive heat and donut smokewhen using it. Failure to do so could cause serious injury. If you be-come dizzy while using cleaning solvent, get fresh air and medicalattention immediately.If contact with skin or clothes is made, flushwith large amounts of water.If contact with eyes is made, wash eyeswith water and get medical aid immediately.Compressed air used for cleaning purposes will not exceed 30 psi. Useonly with effective chip guarding and personal protective equipment(goggles/shield, gloves, etc). Failure to do so could cause seriousinjury to eyes and possible blindness.If you hurt your eyes or if aforeign object is blown into your eyes, seek medical attentionimmediately.(1) Clean bearings (7 and 12) by immersing in cleaning solvent P-D-680 andslowly moving up and down. Remove bearings from cleaning solvent andstrike larger side of cone against a block of wood to dislodge solidifiedparticles of lubricant. Immerse again in cleaning solvent and repeatabove until bearings are clean. Dry using compressed air. Direct airstream across bearing to avoid spinning. Don’t spin bearings when drying;rotate bearings slowly by hand to facilitate drying. After drying bear-ings, lubricate using clean lubricating oil. Keep bearings in a cleanarea.(2)Clean remaining parts using cleaning solvent P-D-680. Dry using com-pressed air.INSPECTIONNOTEReplace an item if inspection indicates need for replacement.(1)Inspect bearings (7 and 12) by rotating and checking that it turnssmoothly. Check bearing balls and rollers for flat areas, pitting,scored, scratched, chipped, or cracked races.(2)Inspect transfer gear (9), output shaft (8), and output flange (4) forcracks or chipped, nicked, burred, broken, or missing teeth.(3) Inspect output flange (4) for distortion or thread damage.(4)Inspect remaining parts for distortion, excessive wear, or thread damage.4-191
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