TM 10-3930-659-20 Table 4-1.  Mechanical Troubleshooting (Con't). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 7. Inspect fan for looseness and bent or damaged fan blades. Torque screws to 35 lb.-ft.  (47 Norm). Replace damaged fan (see paragraph 5-36). Step 8. Inspect for faulty engine thermostats. Remove engine thermostats (see paragraph 5-34) and check for a closed valve (see TM 750-254).  If valve is closed, replace engine thermostats (see paragraph 5-34). Step 9. Inspect water pump for signs of looseness or leakage. Torque screws to 35 lb.-ft.  (47 N-m). Replace damaged water pump (see paragraph 5-35). 11.  ENGINE RUNS COLD. Inspect for faulty engine thermostats. Remove engine thermostats (see paragraph 5-34) and check for an open valve (see TM 750-254).  If valve Is opened, replace engine thermostats (see paragraph 5-34). _________________________________________________________________ TRANSMISSION 12.  FORKLIFT TRUCK WILL NOT MOVE IN F (FORWARD) OR IN R (REVERSE) GEARS. Step 1. Inspect transmission direction selector cable for proper adjustment and damage. Adjust direction selector linkage (see paragraph 7-5). Replace damaged direction selector cable (see paragraph 7-4). Step 2. Inspect transmission speed range selector cable for proper adjustment and damage. Adjust speed range selector linkage (see paragraph 7-5). Replace damaged speed range selector cable (see paragraph 7-4). Step 3. Check clutch cutoff microswitch and transmission clutch cutoff valve on clutch cutoff valve sole- noid wiring harness for continuity (see paragraphs 2-27 and 6-73). Replace damaged clutch cutoff microswitch (see paragraph 6-54). Replace damaged wire or connector (see paragraph 2-28). 4-15