0584357 SWITCH & LEAD ASSY., Primer JOHNSON
J85TTLEIE
SWITCH
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Number on catalog scheme: 20
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J85TTLEIE
JOHNSON
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2. Turn the crankshaft until two of the pistons are at bottom center. Remove the nuts and bolts (1) from the connecting rods that are at bottom center. Remove connecting rod caps (2). Put identification marks on them for installation purposes.
Do not let the connecting rods hit the crankshaft or the bottom edge of the cylinder liners when the pistons are removed.
3. Push the connecting rods and pistons away from the crankshaft until the piston rings are out of the cylinder liners. Remove the two pistons from the engine.4. Keep each connecting rod cap with its respective connecting rod and piston. Put identification marks on each piston as to its location in the engine.5. Do Steps 1 through 4 for the removal of the remaining pistons.Install Pistons & Connecting Rods
1. Turn the crankshaft until the bearing journals for the pistons to be installed are at bottom center.2. Put clean engine oil on the crankshaft journals and on the inside of the cylinder liners. Put clean engine oil on the piston rings and the connecting rod bearings.3. Move the piston rings on the pistons until the ring openings are approximately 90° apart. 4. Put the piston in the cylinder liner with the "V" mark on the piston in alignment with the "V" mark on the cylinder block. Put Tool (A) in position on the cylinder block and compress the piston rings.5. Push the piston into the cylinder liner and out of the ring compressor. 6. Pull the connecting rod into position on the crankshaft as shown. Install connecting rod bolts (1) in the connecting rods.7. Put clean engine oil on the lower half of the connecting rod bearing. Put 2P2506 Thread Lubricant on the bolt threads and on the surfaces of the nuts that make contact with the connecting rod caps.
When the connecting rod caps are installed, make sure the number on the side of the cap is next to and respective with the number on the side of the connecting rod.
8. Install connecting rod caps (2) and the nuts that hold them. Tighten the nuts to a torque of 40 4 N m (30 3 lb ft). Put a mark on each nut as to its location. Tighten them 90° 5° more.9. Do Steps 1 through 8 for the remainder of the pistons.End By:a. install oil pumpb. install oil pan platec. install cylinder head assembly and spacer plateDisassemble Pistons & Connecting Rods
Start By:a. remove pistons and connecting rods 1. Remove the rings from the pistons with Tool (A). 2. Remove retaining ring (3), piston pin (1) and connecting rod (2) from the piston.3. Remove the bearings from the crankshaft end of the connecting rod.4. See Use Of Piston Pin Bearing Removal And Installation Tools, Special Instructions, Form No. SMHS7295-02 for more information about removal and installation of piston pin bearings. Be sure to remove the bearings from the crankshaft end of connecting rod.5. Heat the connecting rod in an oven to a temperature of 176 to 260° C (350 to 500° F). Never use a direct flame to heat a connecting rod. 6. Put 6V3029 Spacer (11) in the base plate. Put the connecting rod on the base plate of Tool (B).7. Put the connecting rod piston pin bearing end in the center of the port assembly of Tool (B). Install pin (6) in the center of the bore for the connecting rod bearing.8. Install 6V2049 Adapter (9). Put the hole in the adapter in alignment with the hole in the base plate of Tool (B).9. Install clamp bar (10) and clamp pin (7). The old bearing is pushed out by Tool (B) as the new bearing is installed.10. Put 5P8645 Pusher Adapter (8) in position as shown with the taper side down. The piston pin bearing joint must be in alignment with the hole in adapter (9) and the base plate of Tool (B).11. Put pusher (4) on adapter (8).12. Use Tool (B) to push the new piston pin bearing (5) into the connecting rod until adapter (8) of Tool (B) makes full contact with the connecting rod surface.13. Remove the connecting rod and the old piston pin bearing from Tool (B).14. Check the piston pin bearing bore diameter after the bearing is installed. The correct dimension is 43.210 0.008 mm (1.7012 .0003 in.). The maximum permissible clearance between the bearing and piston pin (worn) must not be more than 0.08 mm (.003 in.).Assemble Pistons & Connecting Rods
1. When old pistons are used, clean the piston grooves with an acceptable ring groove tool.2. Install the connecting rod bearings in the crankshaft end of the connecting rod. Make sure the tabs on the back of the bearings are in the tab grooves of the connecting rod and cap. 3. Put connecting rod (2) in position in the piston with bearing tab groove (12) and number identification on the same side as the "V" mark on the top of the piston.4. Install piston pin (1) and retaining ring (3).5. For correct piston and ring clearances, see the topic, "Pistons & Rings" in Specifications.6. Install the oil ring spring in the oil ring groove of the piston. The oil ring must be installed on the piston with the ring end gap 180° from the oil ring spring joint. 7. Install the oil ring on the piston with Tool (A).8. Install the intermediate piston ring with the side that has the mark "UP-2" toward the top of the piston with Tool (A).9. Install the top piston ring with the side that has the mark "UP-1" toward the top of the piston. Make sure piston ring end gaps are 90° apart before the pistons are installed.End By:a. install pistons and connecting rods
Do not let the connecting rods hit the crankshaft or the bottom edge of the cylinder liners when the pistons are removed.
3. Push the connecting rods and pistons away from the crankshaft until the piston rings are out of the cylinder liners. Remove the two pistons from the engine.4. Keep each connecting rod cap with its respective connecting rod and piston. Put identification marks on each piston as to its location in the engine.5. Do Steps 1 through 4 for the removal of the remaining pistons.Install Pistons & Connecting Rods
1. Turn the crankshaft until the bearing journals for the pistons to be installed are at bottom center.2. Put clean engine oil on the crankshaft journals and on the inside of the cylinder liners. Put clean engine oil on the piston rings and the connecting rod bearings.3. Move the piston rings on the pistons until the ring openings are approximately 90° apart. 4. Put the piston in the cylinder liner with the "V" mark on the piston in alignment with the "V" mark on the cylinder block. Put Tool (A) in position on the cylinder block and compress the piston rings.5. Push the piston into the cylinder liner and out of the ring compressor. 6. Pull the connecting rod into position on the crankshaft as shown. Install connecting rod bolts (1) in the connecting rods.7. Put clean engine oil on the lower half of the connecting rod bearing. Put 2P2506 Thread Lubricant on the bolt threads and on the surfaces of the nuts that make contact with the connecting rod caps.
When the connecting rod caps are installed, make sure the number on the side of the cap is next to and respective with the number on the side of the connecting rod.
8. Install connecting rod caps (2) and the nuts that hold them. Tighten the nuts to a torque of 40 4 N m (30 3 lb ft). Put a mark on each nut as to its location. Tighten them 90° 5° more.9. Do Steps 1 through 8 for the remainder of the pistons.End By:a. install oil pumpb. install oil pan platec. install cylinder head assembly and spacer plateDisassemble Pistons & Connecting Rods
Start By:a. remove pistons and connecting rods 1. Remove the rings from the pistons with Tool (A). 2. Remove retaining ring (3), piston pin (1) and connecting rod (2) from the piston.3. Remove the bearings from the crankshaft end of the connecting rod.4. See Use Of Piston Pin Bearing Removal And Installation Tools, Special Instructions, Form No. SMHS7295-02 for more information about removal and installation of piston pin bearings. Be sure to remove the bearings from the crankshaft end of connecting rod.5. Heat the connecting rod in an oven to a temperature of 176 to 260° C (350 to 500° F). Never use a direct flame to heat a connecting rod. 6. Put 6V3029 Spacer (11) in the base plate. Put the connecting rod on the base plate of Tool (B).7. Put the connecting rod piston pin bearing end in the center of the port assembly of Tool (B). Install pin (6) in the center of the bore for the connecting rod bearing.8. Install 6V2049 Adapter (9). Put the hole in the adapter in alignment with the hole in the base plate of Tool (B).9. Install clamp bar (10) and clamp pin (7). The old bearing is pushed out by Tool (B) as the new bearing is installed.10. Put 5P8645 Pusher Adapter (8) in position as shown with the taper side down. The piston pin bearing joint must be in alignment with the hole in adapter (9) and the base plate of Tool (B).11. Put pusher (4) on adapter (8).12. Use Tool (B) to push the new piston pin bearing (5) into the connecting rod until adapter (8) of Tool (B) makes full contact with the connecting rod surface.13. Remove the connecting rod and the old piston pin bearing from Tool (B).14. Check the piston pin bearing bore diameter after the bearing is installed. The correct dimension is 43.210 0.008 mm (1.7012 .0003 in.). The maximum permissible clearance between the bearing and piston pin (worn) must not be more than 0.08 mm (.003 in.).Assemble Pistons & Connecting Rods
1. When old pistons are used, clean the piston grooves with an acceptable ring groove tool.2. Install the connecting rod bearings in the crankshaft end of the connecting rod. Make sure the tabs on the back of the bearings are in the tab grooves of the connecting rod and cap. 3. Put connecting rod (2) in position in the piston with bearing tab groove (12) and number identification on the same side as the "V" mark on the top of the piston.4. Install piston pin (1) and retaining ring (3).5. For correct piston and ring clearances, see the topic, "Pistons & Rings" in Specifications.6. Install the oil ring spring in the oil ring groove of the piston. The oil ring must be installed on the piston with the ring end gap 180° from the oil ring spring joint. 7. Install the oil ring on the piston with Tool (A).8. Install the intermediate piston ring with the side that has the mark "UP-2" toward the top of the piston with Tool (A).9. Install the top piston ring with the side that has the mark "UP-1" toward the top of the piston. Make sure piston ring end gaps are 90° apart before the pistons are installed.End By:a. install pistons and connecting rods
Parts switch JOHNSON:
0584359