5_108.bk Page 142 Thursday, October 4, 2001 11:45 AM
REPAIR INSTRUCTIONS INSPECTION
ASSEMBLY
Refer to Figure 182.
Two methods can be used to assemble camshaft gears onto a camshaft.
1. Thoroughly clean camshaft (3).
Use magnaflux (PT7190) inspection procedure to detect cracks. 2. Inspect camshaft lobes and journals for evidence of cracks, pitting, scoring or severe wear. If any of these conditions exist, replace camshaft. 3. Inspect camshaft gear (1), injection pump driving gear (5), and camshaft captured thrust washer (2) for cracks, pitting, scoring or adverse wear. 4. Visually inspect key (4) for signs of distortion or breakage.
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Use the heat method to install new gears on a new camshaft.
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Use the press method if reusing any service parts. Do not use heat method on used parts.
Camshaft/Injection Pump Driving Gear Installation — Heat Method Refer to Figure 182. 1. Thoroughly clean camshaft (3) and gears (1 and 5) using a contact-type cleaner that dries rapidly and leaves no residue. 2. Insert key (4) into camshaft (3). It may be necessary to tap key with a rubber mallet to ensure proper seating of key. 3. Install a new camshaft captured thrust washer (2) on camshaft. 182
Figure 182 — Camshaft Components 1. Camshaft Gear 2. Camshaft Captured Thrust Washer 3. Camshaft
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4. Key 5. Injection Pump Driving Gear
