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Part of the John Deere Repair Manuals.
Every one of the 443 pages in this John Deere 350DLC service manual PDF (OEM #TM2360) exists to put your 350DLC excavator back to factory spec. Open it to a full torque values section, exploded views of the track system, and step-by-step procedures for the engine, cooling and fuel systems, operator's station, buckets, and swing gearbox. You also get fluid capacities plus dealer fabricated tool drawings, so you can build the specialty wrenches John Deere never sold you. When the undercarriage comes apart, set the roller-to-frame cap screws to 840 N-m (620 lb-ft) and the ring gear-to-drum screws to 265 N-m (195 lb-ft). A machine this size is no place for guesswork. This repair manual is bookmarked cover to cover; type any spec into the search box, find your number, and get back on the sticks.
What's Inside This John Deere 350DLC Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 8-56 | Safety, Torque Values |
| Tracks | 57-91 | Track System |
| Axles, Differentials and Suspension Systems | 92-119 | Axle Shaft, Bearings, And Reduction Gears, Hydraulic System |
| Engine | 120-134 | Removal and Installation |
| Engine Auxiliary System | 135-166 | Cooling System, Intake System, External Fuel Supply System |
| Dampener Drive (Flex Coupling) | 167-169 | Elements |
| Frame or Supporting Structure | 170-176 | Frame Installation, Chassis Weights |
| Operator’S Station | 177-216 | Removal and Installation, Operator Enclosure, Seat and Seat Belt, Heating and Air Conditioning |
| Excavator | 217-375 | Buckets, Frames, Hydraulic System |
| Swing or Pivoting System | 376-429 | Mechanical Drive Elements, Hydraulic System |
| Dealer Fabricated Tools | 430-443 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic System | Group 0260 | p. 2 |
| Buckets | Group 3302 | p. 2 |
| Track Roller Weight | 57 kg 126 lb | p. 58 |
| Roller-to-Frame Cap Screw Torque | 840 N·m 620 lb-ft | p. 58 |
| Ring Gear-to-Drum Cap Screw Torque | 265 N·m 195 lb-ft | p. 111 |
| Cover-to-Ring Gear Cap Screw Torque | 110 N·m 83 lb-ft | p. 111 |
| Bucket Pivot Bushing-to-Arm Clearance | As close to but not less than 0.5 mm | p. 220 |
| Pin (1) Standard | 110.0 mm 4.331 in | p. 238 |
| Hydraulic Oil Tank Capacity | 195 L (51.5 gal) approximate | p. 244 |
| Hydraulic Oil Tank Filtering Time | 17 minutes approximate | p. 244 |
| Hydraulic Pump Approximate Weight | 67 kg 148 lb | p. 259 |
| Servo Piston-to-Cylinder Head Bore Clearance (nominal) | 0.079 mm (0.0033 in.) | p. 416 |
John Deere 350DLC Common Problems This Manual Covers
John Deere 350DLC hydraulics sluggish under load after pump failure, bucket lifts slow and digs weak
Drain and filter the contaminated oil with a portable filter caddy using the cleanup procedure on page 244. Run the caddy about 17 minutes for the 195 L tank alone, or 22 minutes to turn over the full 340 L system. Replace the hydraulic filter, then cycle every function to purge trapped debris.
Manual Section: Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy p. 244Machine loses travel power on one side, track drags or will not pull straight
Remove the travel motor cover and measure disk spring height; replace springs compressed below the 7.6 to 7.2 mm range listed on page 114. Inspect the brake plates for scoring while the cover is off. Reassemble and torque the cover-to-housing cap screws to 400 N·m, then test travel in both directions.
Manual Section: Axles, Differentials and Suspension Systems p. 114Swing feels weak or jerky, park brake will not hold the upperstructure on a slope
Tear down the swing motor and measure piston-to-cylinder clearance following page 414; new clearance is 0.028 mm, so replace pistons past the 0.058 mm used limit. Check friction plates on page 416: they measure 2.0 mm new, replace any below 1.6 mm. Install new seals and verify brake holding before reinstalling.
Manual Section: Swing Motor and Park Brake Inspection p. 414Bucket and arm linkage clunk under load, visible play at pins and bushings
Measure pin and bushing wear against the tables on page 238. Standard pin diameter is 110.0 mm; replace pins worn below 109.0 mm and bushings opened past the 111.5 mm limit. Shim the bucket pivot so bushing-to-arm clearance stays as close to but not less than 0.5 mm, per page 220.
Manual Section: Inspect Pins, Bushings and Bosses—Front Attachment p. 238Track rollers leaking oil, squealing or seizing on the bottom of the track frame
Pressure test each suspect roller per page 62: charge the oil cavity to 110 ± 28 kPa and watch for any pressure decrease, which means a leaking seal. Rebuild or replace failed rollers, refill each with 420 mL of oil, torque the plug to 30 N·m, and retest under pressure.
Manual Section: Track Roller Pressure Test p. 62Frequently Asked Questions
What are the torque specs for John Deere 350DLC travel gearbox bolts?
The gearbox-to-frame cap screws for the John Deere 350DLC travel gearbox should be tightened to a torque of 630 N·m (460 lb-ft). This specification is found in the "Travel Gearbox Remove and Install" procedure on page 93. p. 93
How to reset John Deere 350DLC park brake?
To perform a start-up procedure for the swing motor and park brake system after service, disconnect the swing motor drain line (1). Then, fill the motor with hydraulic oil through the port until the oil reaches the port level, allowing air to escape, and finally, connect the swing motor drain line. This procedure is detailed on page 420. p. 420
What is the approximate hydraulic oil tank capacity for the John Deere 350DLC excavator?
The approximate capacity of the hydraulic oil tank for the John Deere 350DLC excavator is 195.0 L (51.5 gal). This information is relevant when draining or filling the hydraulic system. p. 92
What is the approximate coolant capacity of the radiator for the John Deere 350DLC?
The approximate coolant capacity for the radiator of the John Deere 350DLC is 39.7 L (10.5 gal). This is important for proper cooling system maintenance and is found in the "Engine Remove and Install" section. p. 120
What is the weight of a single track roller for the John Deere 350DLC excavator?
A single track roller for the John Deere 350DLC excavator weighs 57 kg (126 lb). This information is provided under the "Track Roller Remove and Install" procedure, indicating it's a heavy component requiring appropriate lifting devices. p. 58
Is this Service Manual a digital download?
Instant PDF download. You get the full 443-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Is this John Deere 350DLC Service Manual printable?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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