Armature Test.

Figure 13-11. Adjusting Starter Pinion Clearance

TM-5-6115-593-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 600 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 housing (6, figure 13-9) and stator housing (21) for cracks or other damage. (2) Check all threaded parts for crossed, deformed, or stripped threads. (3) Drive housing bushing (28), lever housing bushing (35), and sleeve bearing (53). are pressfit into their respective bores, with clearance of -0.0005 to -0.0020 inch (-0.013 to -0.051 mm). Check that they are tight fit and cannot be rotated in bores. (4) Check drive housing bushing (28), lever housing bushing (35), and sleeve bearing (53) for scoring and proper fit on armature (36). Clearance shall not exceed 0.006 inch (0.15 mm). (5) Visually inspect armature (36) for the following defects: (a) Scored or grooved bushing surfaces. (b) Damaged laminations due to rubbing on pole rotor shoes (67). (c) Burned or scored commutator bars. (d) High insulation between commutator bars. (e) Loose commutator bars. (f) Damaged splines. (g) Damaged or loose windings due to thrown solder. g. Armature Test. Check armature per paragraph 13-5g. h. Field Coil Test. Check field coil per paragraph 13-5h. i. Repair/Overhaul. (1) Replace starter housing (6, figure 13-9), stator housing (21), and lever housing (3) if cracks or other damage have been found. Drive housing bushing (28), lever housing bushing (35), and sleeve bearing (53) must be lubricated and installed properly to achieve long service life. (2) Replace worn bushings (28 and 35) and bearing (53) as follows: (a) Remove bushings using bushing driver. (b) Remove sleeve bearing (53) using a blind hole bushing puller or a bushing cutter. Do not cut into starter housing (6). (c) With clean hands, place a new bushing on the palm of the hand and fill it with SAE 20 lubricating oil. Place thumb of free hand over open end of bushing and push hard to pressurize oil in bushing. Bushing is properly lubricated when oil seeps through entire outside diameter of bushing. (d) Check that bore into which bushing is to be inserted is clean and grit free. CAUTION Do not drill, ream, or machine bronze bushings. Machining will seal or plug bushing pores and prevent proper lubrication. NOTE If new lubricated bushing is not going to be installed immediately, store in a clean plastic bag. (e) Using correct size bushing driver, install new lubricated drive housing and lever housing bushings 13-17

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