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LUBRICATION CHARTS.
The lubrication charts illustrate various aircraft systems and each component to be lubricated is indicated by a number, the type of lubricant and the frequency of application. Special Instructions, Cautions, and Notes are consistent throughout Figures 12-2 through 12-7. Refer to Chapter 91 for a List of Consumable Materials and suggested vendors.
— CAUTION —
MIL-G-23827 AND MIL-G-81322, CONTAIN CHEMICALS WHICH MAY BE HARMFUL TO PAINTED SURFACES. DRY LUBRICANT (I.E. - PTFE BASED MS-122DF) WILL ATTACK ANY
ACRYLIC BASED PLASTIC (LUCITE), POLYCARBONATE (LEXAN), POLYSTYRENE AND ITS COPOLYMERS (ABS), AND CELLULOSE ACETATE.
COMPONENT LUBRICANT FREQUENCY
1. MAIN GEAR PIVOT POINTS, UPPER SIDE BRACE SWIVEL FITTING, MAIN GEAR SIDE BRACE LINK ASSY. SEE SPECIAL INSTRUCTION 2 MIL-G-23827 100 HRS
2. OLEO STRUT FILLER POINT, BRAKE RESERVOIR SEE SPECIAL INSTRUCTION 4 AND CAUTION 1 MIL-H-5606 AS REQUIRED
3. HYDRAULIC PUMP RESERVOIR - SEE SPECIAL INSTRUCTION 4 AND CAUTION 1 MIL-H-5606 100 HRS
4. MAIN GEAR DOWN LOCK ASSEMBLY - SEE SPECIAL INSTRUCTION 6 MIL-G-7711 100 HRS
5. RETRACTION FITTING AND CYLINDER ATTACHMENT POINTS, MAIN GEAR DOOR CONTROL ROD ENDS, MAIN GEAR TORQUE LINKS - SEE SPECIAL INSTRUCTION 6 MIL-L-7870 100 HRS
5A. EXPOSED OLEO STRUT SEE SPECIAL INSTRUCTION 2. CARBON DIOXIDE RELEASE AGENT DRY LUBRICANT MS-122N/CO2 100 HRS
6. MAIN GEAR WHEEL BEARINGS - SEE SPECIAL INSTRUCTION 3 AND NOTE 2 MIL-G-81322 MOBIL 28 100 HRS
7. MAIN GEAR DOOR HINGE - SEE SPECIAL INSTRUCTION 6 MIL-L-7870 100 HRS
SPECIAL INSTRUCTIONS
2.
Bearings and Bushings - Clean exterior with a dry type solvent before lubricating.
3.
Wheel Bearings - Disassemble and clean with a dry type solvent. Ascertain that grease is packed between the bearing roller and cone. Do not pack grease in wheel housing.
4.
Oleo Struts, Hydraulic Pump Reservoir and Brake Reservoir - Fill per instructions on unit or container.
6. Lubrication Points - Wipe all lubrication points clean of old grease, oil, dirt, etc., before lubricating.
CAUTIONS
1. Do not use hydraulic fluid with a castrol oil or ester base.
3. Do not apply lubricant to rubber parts.
NOTES
2. Wheel bearings require cleaning and repacking after exposure to an abnormal quantity of water.
Figure 12-2. Lubrication Chart (Landing Gear, Main) (Sheet 1 of 2)
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COMPONENT LUBRICANT FREQUENCY
1. NOSE WHEEL BEARINGS - SEE SPECIAL INSTRUCTION 3 AND NOTE 2 MOBIL 28 MIL-G-81322 100 HRS
2. NOSE GEAR TORQUE LINK ASSY, NOSE GEAR PIVOT POINT, NOSE GEAR DRAG LINK ASSY STEERING BELLCRANK PIVOT POINTS, STEERING BELLCRANK ROD ENDS, NOSE GEAR STEERING ROLLERS. HYDRAULIC CYLINDER ROD END & MASTER CYLINDER ROD END, DOOR & RETRACTION MECHANISM, NOSE GEAR CENTERING SPRING PIVOT POINT - SEE SPECIAL INSTRUCTION 2 MIL-L-7870 100 HRS
3. NOSE GEAR DOWNLOCK & CYLINDER SEE SPECIAL INSTRUCTION 2 MIL-L-7870 100 HRS
4. NOSE GEAR STRUT HOUSING - SEE SPECIAL INSTRUCTIONS 2 AND 6 MIL-G-23827 100 HRS
5. EXPOSED OLEO STRUT SEE SPECIAL INSTRUCTION 2 AND 4 CARBON DIOXIDE RELEASE AGENT DRY LUBRICANT MS-122N/CO2 100 HRS
6. STEERING BUNGEES SEE SPECIAL INSTRUCTION 7 AND CAUTION 3 LUBRIPLATE #907 (PURCH) FISKE BROS. REFINNING CO. AS REQUIRED
SPECIAL INSTRUCTIONS
2.
Bearings and Bushings - Clean exterior with a dry type solvent before lubricating.
3.
Wheel Bearings - Disassemble and clean with a dry type solvent Ascertain that grease is packed between the bearing roller and one. Do not pack grease in wheel housing.
4.
Oleo Struts, Hydraulic Pump Reservoir and Brake Reservoir - Fill per instructions on unit or container.
6.
Lubrication Points - Wipe all lubrication points clean of old grease, oil. dirt, etc., before lubricating.
7.
Bungee - Lubricate springs if bungee is disassembled.
CAUTIONS
3. Do not apply lubricant to rubber parts.
NOTES
2. Wheel bearings require cleaning and repacking after exposure to an abnormal quantities of water.
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