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TO 1-1-700 - Robins Air Force Base

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<strong>TO</strong> 1-1-<strong>700</strong><br />

repair damaged SAE AS5272 (MIL-PRF-46010) heat cured<br />

solid film lubricants. MIL-L-23398, Type I (bulk) and Type II<br />

(aerosol) both require a 6-hour cure at a temperature of 77 °F<br />

±3 °F (25 °C ±2 °C). MIL-PRF-46147, Form 1 (bulk) and<br />

Form 2 (aerosol); Type I (standard solvents) requires an 18-<br />

hour cure and Type II (low VOC content), both forms, requires<br />

a 24-hour cure at these same temperatures. Curing both MIL-<br />

L-23398 and MIL-PRF-46147 solid film lubricants may be<br />

accelerated by allowing air drying at room temperature for 30<br />

minutes to flash off solvents and then heating to 124 °F ±5 °F<br />

(52 °C ±3 °C) for 1 to 1-1/2 hours.<br />

MIL-PRF-63460, LUBRICANT, CLEANER AND<br />

PRESERVATIVE 44<br />

MIL-PRF-680 AND A-A-59601, SOLVENT, DEGREASING,<br />

TYPE II AND III 45<br />

7.4.3.1.1 When applying grease type lubricants in pressure<br />

type grease fittings (Zerk Fittings) with a grease gun, clean<br />

grease fitting with A-A-59601, Type II or III, MIL-PRF-<br />

32295, Type II or MIL-PRF-680, Type II or III degreasing<br />

solvent and clean cloth before applying lubricant. Make sure<br />

the lubricant has emerged around the bushing. If no grease<br />

appears, check the fitting and grease gun for proper operation.<br />

Be certain the grease gun is properly attached to the fitting<br />

prior to applying pressure.<br />

MIL-PRF-81309, LUBRICANT, CORROSION PREVEN-<br />

TIVE COMPOUND 46<br />

MIL-PRF-32033, LUBRICATING OIL, GENERAL PUR-<br />

POSE, PRESERVATIVE (WATER-DISPLACING, LOW<br />

TEMPERATURE) 41<br />

• When lubricating hinges and pinned joints, apply a<br />

generous quantity of either MIL-PRF-63460 (preferably);<br />

MIL-PRF-81309, Type II; or MIL-PRF-<br />

32033 water displacing, corrosion preventative<br />

compound (CPC) before applying any additional<br />

specified lubricant.<br />

• Actuate hinges several times to make sure that the<br />

CPCs and lubricants penetrate all crevices thoroughly.<br />

Wipe off excess from exterior surfaces.<br />

7.4.3 Application of Conventional Lubricants.<br />

7.4.3.1 Apply lubricants as sparingly as possible to prevent<br />

accumulation of dust, dirt, and other foreign matter, but<br />

always apply enough to provide adequate lubrication. Wipe<br />

away any excess lubricant. Using the proper method of application<br />

as specified in the appropriate system specific maintenance<br />

manual is important. Apply lubricants by one of the<br />

following methods: grease guns, lever or pressure type; oil,<br />

squirt, and aerosol spray cans; hand or brush.<br />

MIL-PRF-32295, TYPE II, CLEANER, NON-AQUEOUS,<br />

LOW-VOC, HAP-FREE<br />

7.4.3.1.2 When applying grease to a flush type (high pressure)<br />

fitting, make sure that the grease gun is fitted with a<br />

flush type adapter and held perpendicular to the surface of the<br />

fitting before applying pressure. If the fitting does not accept<br />

lubrication, replace the fitting and lubricate. Wipe excess<br />

grease from the fitting and surrounding surfaces with a clean,<br />

dry cloth.<br />

7.5 PRESERVATION.<br />

Corrosion preventative compounds (CPC) or preservatives are<br />

used to protect metal equipment parts and components by preventing<br />

corrosive materials from contacting and corroding<br />

bare metal surfaces. Many of these compounds are also able to<br />

displace water, including sea water, and other contaminants<br />

from these surfaces, and some provide lubrication, as well as<br />

corrosion protection.<br />

7.5.1 CPC Formulation. Generally, CPCs are mixtures of<br />

special additives in petroleum derivative bases (special oils or<br />

greases). The thicker CPCs provide the best corrosion protection,<br />

are longer lasting, and are more difficult to remove. The<br />

thinner materials provide some lubrication and do not crack,<br />

chip, or peel; but they must be removed and replaced regularly<br />

to provide continuing protection.<br />

7.5.2 Operational Preservation. The day to day application<br />

of CPCs to prevent corrosion on operational equipment is<br />

known as operational preservation. Areas which are corrosion<br />

prone or where paint has been damaged should be routinely<br />

protected by CPCs until more permanent treatment, such as<br />

paint touchup or sealant, can be applied.<br />

7.5.3 Non-Operational Preservation. Preservation of C-E-<br />

M equipment or components during periods of prolonged<br />

Change 3 7-17

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