TIMING, GEAR TRAIN & FRONT COVER - CONT

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_293

TIMING, GEAR TRAIN & FRONT COVER - CONT - TM-5-3820-256-24-5_295

TM-5-3820-256-24-5 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL TIMING, GEAR TRAIN & FRONT COVER Section 7 3. Using a hammer and chisel split the drive spline and gear (individually) as shown in Fig. 1 6. Figure 16. - Removing Crankshaft Gear NOTE: The drive gear should be split in the root adjacent to the roll pin slot. If it is necessary to remove the Camshaft Timing Gear refer to Section 4. CLEANING, INSPECTION & REPAIR CLEANING Clean all Gears and related components as follows: 1. Clean all parts in solvent 2. Blow dry with compressed air. Clean Vibration Damper as follows: Vibration Damper with Rubber Insert 1. Clean with detergent (soap) only. DO NOT USE SOLVENT. 2. Blow dry with compressed air. Viscous Vibration Damper 1. Clean with oil solvent. 2. Blow dry with compressed air. Clean the Front Cover as follows: 1. Clean all traces of gasket material from gasket surface of crankcase front cover and front plate. 2. Blow dry with compressed air. INSPECTION: Inspect the Gear Train as follows: 1. Visually inspect all gears for wear or damaged teeth. a. Remove any worn or damaged gear as outlined previously. b. Replace damaged gears with new. Follow the installation procedure outlined in this Section. 2. Visually inspect the following components for wear or damage if the gear is removed. a. Bearings b. Spacer c. Stub shaft; as shown in Fig. 17 Figure 17. - Gear and Component Parts (Idler Gear Shown) 1. Retaining bolt 3. Bearing 5. Gear 2. Stub shaft 4. Spacer 6. Bearing 7. Spacer *United Technologies Diesel Systems (formerly AMBAC) CGES-185-3 PRINTED IN UNITED STATES OF AMERICA Page 9

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