Item Specifics
Part Type: Gear Train Timing Tool
Fitment Type: Direct Replacement
Part Number: JD254A, JD-254A
Upper Timing Gear Train Installation
1. Adjust No.1 piston to TDC using JDE83 or JDG820(formerly JDE81-1) flywheel turning tool and JDE81-4 timing pin
2. Install camshaft and fuel injection pump.
3. Turn camshaft until timing mark (A) is under JD-254A timing tool.
4. Using JD-254A timing tool, align timing mark on fuel injection pump gear (B) with the timing tool
Important: Use timing mark corresponding to the number of cylinders
NOTE: Use "4M" timing mark (C) on following applications:
6100, 6200, 6300, 6400 Tractors
All 4 cyl. engines with Lucas DP200 or DP201
injection pumps
Lower Timing Gear Train Installation
1. Adjust No. 1 piston to TDC using JDE83 or JDG820(formerly JDE81-1) flywheel turning tool and JDE81-4 timing pin.
2. Install oil pump and balancer shafts(if equipped). 3. On 4-cylinder engines with balancer shafts, turn the right-hand shaft so that timing mark (A) is under JD-254A timing tool.
4. Install lower idler gear without turning balancer shaft. 5. Install new bolt with washer (B) from oil pump side and new nut on front plate gear side. Tighten nut to 110 N·m (80 lb-ft).
6. Turn left-hand balancer shaft until timing mark (C) is under JD-254A timing tool.
7. Install oil pump gear on pump shaft, tighten hex. nut to 75 N·m (55 lb-ft) and secure with three center punch marks.
8. Recheck gear timing for both balancer shafts.
Important: Keyway in each balancer shaft must be in the 12 o' clock position and timing marks must be directed toward crankshaft when shafts are correctly timed.
Fitment:
For John Deere 3000-Series Tractors: 3100, 3110, 3200, 3200X, 3210, 3210X, 3300, 3300X, 3310, 3310X, 3400, 3400X, 3410, 3410X
For John Deere 4000-Series Telescopic Handlers: 4400, 4500
For John Deere 5000-Series Tractors: 5300, 5300N, 5400, 5400N, 5103, 5203, 5210, 5303, 5310, 5403, 5500, 5500N
For John Deere 5010-Series Tractors: 5310, 5310N, 5310S, 5410, 5410N
For John Deere 5000 Advantage Series Tractors: 5105, 5205
For John Deere 5015-Series Tractors: 5215, 5315
For John Deere 5020-Series Tractors: 5220, 5320, 5320N
For John Deere 6000-Series Tractors: 6100, 6200, 6300, 6400, 6506, 6600, 6800, 6900
For John Deere Waterloo Tractors: 7600
For John Deere Skid Steer Loader: 240, 250, 260
For John Deere Combining Harvesters: 2054, 2254