6A1 – 20 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
VALVESTEM OIL CONTROLLER & VALVE SPRING
REMOVAL
Preparation:
•
Disconnect battery ground cable.
1. Cylinder Head Cover
2. Rocker Arm Shaft Assembly
•
Loosen bolts and nuts of rocker shaft
•
Bracket by turns and removal rocker shaft assembly.
3. Valve Spring
•
Apply compressed air to cylinder from the glow plug
hole hold the valve in place.
•
Using special tool, compress valve spring and removal
split collar.
Valve spring compressor: 9-8523-1423-0 (J-29760)
CAUTION
•
Put removed valve springs in the order of cylinder
number.
6A1-20-1.tif
6A1-20-2.tif
Removal steps
1. Cylinder head cover
2. Rocker arm shaft Assembly
3. Valve spring
4. Valve guide oil seal
Installation steps
To install, follow the removal
steps in the reverse order.
Summary of Contents for NHR 4J Series
Page 1: ...WORKSHOP MANUAL NHR NKR NPR ENGINE 4J SERIES SECTION 6...
Page 2: ...MEMO...
Page 58: ...00 54 SERVICE INFORMATION Cooling System and Lubrication System N m kg m lb ft...
Page 60: ...00 56 SERVICE INFORMATION N m kg m lb ft 036LX003 tif...
Page 61: ...SERVICE INFORMATION 00 57 Engine Electricals N m kg m lb ft 0056 1 tif...
Page 62: ...00 58 SERVICE INFORMATION Engine Fuel N m kg m lb ft 0057 1 tif...
Page 63: ...SERVICE INFORMATION 00 59 Engine Mounting Bracket N m kg m lb ft 0058 1 tif...
Page 67: ...SERVICE INFORMATION 00 63 MEMO...
Page 325: ...6C 66 ENGINE FUEL MEMO...
Page 333: ...6D1 8 ENGINE ELECTRICAL MEMO...
Page 335: ...6D2 2 STARTING SYSTEM STARTING CIRCUIT 6D2 2 1 tif...
Page 347: ...6D3 2 CHARGING SYSTEM Generator 6D3 2 1 tif 6D3 2 2 tif...
Page 348: ...CHARGING SYSTEM 6D3 3 CHARGING CIRCUIT 6D3 3 1 tif...
Page 367: ...6D3 22 CHARGING SYSTEM MEMO...
Page 369: ...6D6 2 QOSII PREHEATING SYSTEM SYSTEM DIAGRAM QOS II Timing Chart 6D6 2 1 tif 6D6 2 2 tif...
Page 373: ...6D6 6 QOSII PREHEATING SYSTEM MEMO...
Page 375: ...6D7 2 QOSIII PREHEATING SYSTEM SYSTEM DIAGRAM QOS II Timing Chart 6D7 2 1 tif 6D7 2 2 tif...
Page 376: ...QOSIII PREHEATING SYSTEM 6D7 3 QOS III FLOW CHART 6D7 3 1 tif...
Page 377: ...6D7 4 QOSIII PREHEATING SYSTEM QOS III BLOCK CHART 6D7 4 1 tif...
Page 381: ...6D7 8 QOSIII PREHEATING SYSTEM MEMO...
Page 387: ...6E 6 EXHAUST GAS RECIRCULATION EGR SYSTEM MEMO...
Page 393: ...6F 6 ENGINE EXHAUST MEMO...
Page 406: ...No HGSTG WE 661 PRINTED IN JAPAN...