HOSE AS 4736591 - Caterpillar

1. Put throttle control (4) in the fuel shutoff (raised) position.2. Disconnect air tube (2) from the fuel ratio control.3. Remove the seal, wire and two bolts (1) that hold the fuel ratio control in place. Remove fuel ratio control (3). The following steps are for installation of the fuel ratio control. 4. Make sure throttle control (4) is in the fuel shutoff (raised) position. If it is not, the fuel ratio control can be installed incorrectly. Put fuel ratio control (3) in position in the adapter housing with the end of bolt (5) under the arm in the adapter housing. Install two bolts (1) that hold the fuel ratio control in place. 5. Connect air tube (2) to the fuel ratio control.6. Make an adjustment to the fuel ratio control. See FUEL RATIO CONTROL in TESTING AND ADJUSTING.7. Use tool (A) to install the seal and wire on the bolts of the fuel ratio control.Disassemble Fuel Ratio Control
start by:a) remove fuel ratio control 1. Remove bolts (3) that hold cover (4) in place. Remove cover (4).2. Remove bolts (2) that hold cover (1) in place. Remove cover (1). Remove the spring from under cover (1). 3. Remove pin (6) from the bolt.4. Remove washer (5).5. Remove diaphragm (7) from the retainer. 6. Remove retainer (10), spring (9) and bolt (11) from cover (8). Remove the bearing from cover (8).Assemble Fuel Ratio Control
1. Install the retainer on bolt (1).2. Install spring (2) on the bolt.3. Install diaphragm (3) on the retainer as shown.4. Install the bearing in cover (4). Install the bolt through cover (4) as shown. 5. Install washer (6) on the bolt. Install pin (5) in the bolt. 6. Install the spring and cover (7).7. Install bolts (8) that hold the cover in place.8. Install cover (9) and the bolts that hold the cover in place.end by:a) install fuel ratio control