TM 5-3805-261-20 COOLING SYSTEM MAINTENANCE.  (cont) 6-43. Coolant Pump.  (Sheet 2 of 5) Troubleshooting References None Equipment Condition TM 5-3805-261-10 Vehicle parked on level ground. Parking/emergency brake applied. Equipment lowered to the ground. Engine stopped. Master disconnect switch off. Paragraph 6-48 Cooling system drained. Paragraph 7-93 Coolant temperature switch removed. Paragraph 7-97 Ether starting aid temperature switch removed. Paragraph 13-6 Engine compartment front dash plate removed. Go to Sheet 3 6-150