PUMP GP-GEAR 7T2732 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.This maintenance is to be performed at the interval specified in the Maintenance Schedule. Before proceeding with this maintenance, perform all previous maintenance interval requirements.Engine Protective Devices
Inspect/Check
The engine protective shutoff controls must be inspected and checked for proper operation. This will ensure that if a malfunction should occur, the engine will shutdown without being damaged.Have the inspection and checks made by a qualified mechanic. Consult your authorized Caterpillar engine dealer, or refer to the Service Manual for your engine.The Hydramechanical Shutoff should be inspected and tested to ensure proper operation and protection to the engine. Refer to Engine Controls Section under the Operation Section in this manual.Check air inlet valve to make sure it closes during testing.Crankcase Breather
Clean
1. Loosen hose clamps (1) on breathers and slide the fumes disposal tube from the breather assemblies.2. Loosen breather retaining clamp (2) on each of the two breathers (3). Remove breather (3) and the seal.3. Wash breather (3) in clean, nonflammable solvent and allow to dry before installation. Put clean engine oil or petroleum jelly on the rubber parts to make installation easier.4. Install new seals and breather (3) in the same position and in reverse order of removal. Tighten bolt clamp.5. Slide the hose on to breather (3).6. Tighten all clamps (1) to 4.5 0.6 N m (40 5 lb in). If crankcase breathers are not serviced on a regular basis, they will become plugged. A plugged crankcase breather would result in excessive crankcase pressure that may cause crankshaft seal leakage.Woodward UG8L Governor (If Equipped)
Change Oil
To prevent personal injury, be sure the engine cannot be started. Disconnect the ground cable from the battery terminal.
1. Move the ON/OFF switch to the OFF position or disconnect the ground cable from the battery terminal. Close the fuel tank fuel supply valve. 2. Remove governor drain plug. Allow oil to drain. Clean and install the drain plug.3. Fill the governor with clean oil to the FULL mark on the dipstick or proper level on the sight gauge. Refer to Refill Capacities for proper oil.4. Connect the ground cable to the battery and open the fuel tank supply valve.5. Use the procedure that follows to bleed the governor.Bleed Air From the Governor
1. Start the engine according to the instructions in the Engine Starting topic in this Manual and allow the engine to reach normal operating temperature. 2. Loosen nut (1) on the side of the governor which holds compensation adjusting pointer (2).3. Manually move pointer (2) to the extreme upper position. Tighten nut (1). This will allow the governor to be purged of air.4. Remove the plug from the base of the governor. Use a wide blade screwdriver to turn the needle valve three or more turns counterclockwise. Allow the engine to surge for approximately 30 seconds.5. Loosen the nut and move the compensation adjusting pointer to the extreme