4-52. TACH/HOURMETER REPLACEMENT.

4-51. DISCHARGE PRESSURE GAGE AND FUEL PRESSURE GAGE REPLACEMENT.

TM-5-4310-452-14 Compressor Air: Rotary Screw 750 CFM 100 PSI Wheel-Mounted DED SULLIAR Model 750 DP Manual
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TM 5-4310-452-14 4-52. TACH/HOURMETER REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Materials/Parts: • Engine off. • Two lockwashers • Left door assembly open. Tools/Test Equipment: • Battery cables disconnected (see paragraph • General mechanic's tool kit 4-57). a. REMOVAL 1. Remove window (see paragraph 4-55). 2. Loosen 3 screws (2) and remove 5 electrical leads (7) from tach/hourmeter (1). 3. Remove 2 nuts (6), lockwashers (5), and retainer (4) from tach/hourmeter (1). Discard lockwashers. 4. Remove tach/hourmeter (1) from indicator panel (3). b. INSTALLATION 1. Position tach/hourmeter (1) in place in indicator panel (3). 2. Install retainer (4), 2 new lockwashers (5), and nuts (6) on tach/hourmeter (1). 3. Install 5 electrical leads -(7) on tach/hourmeter (1) and tighten 3 screws (2). 4. Install window (see paragraph 4-55). FOLLOW-ON TASKS: • Connect battery cables (see paragraph 4-57). • Close left door assembly. TA505483 4-98

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