This Daewoo Solar 015 Plus, Solar 018-VT Shop Manual (OEM #K1000237E) runs 478 pages with one job: getting your Solar-series track excavators (015, 015 Plus, 018-VT) back to factory spec. Hydraulic schematics cover the main pump, main control valve, swing motor, and travel motor, and there are full electrical schematics for both models. A dedicated standard torque section sits alongside step-by-step engine and track assembly procedures, plus teardown coverage for cylinders, the center joint, and the pilot control valve. Set maximum primary pressure at 40 kg/cm2 (569 psi), and snug those T-bolt hose clamps to 0.68-0.72 kg-m (59-63 in lb). No more chasing hydraulic leaks on forum guesses. Bookmarked with a live text layer, so you can jump straight to a section or search any spec from your phone in the shop.
What's Inside This Daewoo Solar 015 PLUS, Solar 018-VT Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 5-32 | Track Excavator Safety S0102040 |
| Specifications | 33-60 | Specifications for Solar 015 Plus / Solar 018-Vt S0202140 |
| General Maintenance | 61-88 | General Maintenance Procedures S0302000, Standard Torques S0309000 |
| Upper Structure | 89-90 | - |
| Lower Structure and Chassis | 91-116 | Track Assembly S0505130K |
| Engine and Drive Train | 117-258 | Engine S0601010K |
| Hydraulics | 259-432 | Center Joint, Cylinders, Swing Motor, Travel Motor, Pilot Control Valve, Main Pump, Main Control Valve, Solenoid Valve |
| Electrical System | 433-450 | Electrical System S0802210K, Electrical Schematic (Solar 015 Plus / Solar 018-Vt) S0892155 |
| Attachments | 451-478 | Boom and Arm S0902130K, Bucket S0904000 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Torque for "T" Bolt hose clamp (Radiator, air cleaner, boots, etc.) | 0.68 - 0.72 kg•m (59 - 63 in lb) | p. 83 |
| Torque for Worm Drive hose clamp under 44 mm (Radiator, air cleaner, boots, etc.) | 0.2 - 0.3 kg•m (20 - 30 in lb) | p. 83 |
| Displacement | 158 cc (9.64 in3) | p. 295 |
| Maximum rpm | 68.7 rpm | p. 295 |
| Maximum Primary Pressure | 40 kg/cm2 (569 psi) | p. 347 |
| Permissible Exhaust Pressure | 3 kg/cm2 (43 psi) | p. 347 |
| Air bleeding RPM | 1000 rpm or less | p. 368 |
| Cap Nut Tightening Torque | 1.5 - 2.0 kg•m (11 - 14 ft lb) | p. 410 |
| Relief Valve Fixing Torque | 3.0 - 3.5 kg•m (22 - 25 ft lb) | p. 410 |
| Engine Rated Output | 17.2 ps @ 2,300 rpm | p. 48 |
| Engine Oil Capacity | 4.1 liters | p. 48 |
| Fuel Tank Capacity | 19 liters | p. 48 |
Daewoo Solar 015 PLUS, Solar 018-VT Common Problems This Manual Covers
Daewoo Solar 015 Plus won't start, starter just clicks with no engine cranking
Check both battery cable ends and the frame ground before condemning the starter; click-only starting is usually voltage drop at corroded connections. Clean and retighten every terminal, then test the solenoid. Trace the start circuit against the wiring diagram on page 439. If it cranks but won't fire, confirm fuel; the tank only holds 19 liters.
Manual Section: Electrical System p. 439Bucket and boom feel weak and slow, all functions lag once the oil warms up
Test main relief pressure first; spec is 210 kg/cm2, listed on page 55. If it checks good, move to pilot pressure, since maximum primary pressure is 40 kg/cm2 (569 psi) per page 347 and a weak pilot supply makes every spool feel lazy. Drain and inspect the return filter for contamination before pulling any valves.
Manual Section: Specifications p. 55Swing groans and drags, upper structure slow to start turning and won't hold on slopes
Start at the swing relief valve; set pressure is 150 kg/cm2 (2,134 psi) on page 295, and the swivel drag measurement procedure is on page 297. Run that drag check before pulling the motor. Contaminated oil glazes the friction plates, so drain the system, replace the filter, and verify the brake releases fully under pilot pressure.
Manual Section: Swing Motor Troubleshooting p. 297Track keeps coming loose and jumping the sprocket teeth when turning on soft ground
Adjust track tension at the grease fitting first. If tension won't hold, pull the recoil spring and measure it; free length spec is 261.0 mm on page 101, and a collapsed spring gets replaced, not shimmed. Inspect the sprocket for hooked teeth, then torque the sprocket mounting bolts to 11.5 kg•m per page 116.
Manual Section: Lower Structure and Chassis p. 101Jerky, spongy hydraulic response with foamy tank oil after hose replacement or oil change
Bleed the air out: run the engine at 1000 rpm or less as shown on page 368 and cycle every function slowly through full stroke, several times each. Recheck reservoir level when done. Inspect suction-side connections closely; a loose clamp pulls air without ever dripping oil, so torque worm drive hose clamps to 0.5 - 0.6 kg•m per page 83.
Manual Section: Hydraulics p. 368Frequently Asked Questions
What are the torque specifications for the track frame bolts on a Daewoo Solar 015 Plus?
Tighten the nine sprocket mounting bolts to 11.5 kg•m (83 ft lb) (p. 116). On the track tension adjustment valve, cartridge tightening torque is 6 - 9 kg•m (43 - 65 ft lb) (p. 98). p. 116
What is the engine oil capacity for the L3 engine model?
The engine specification table lists oil capacity as an upper limit / lower limit pair, excluding the 0.5 liters (0.13 U.S. gal.) held by the oil filter: 3.0/1.5 liters (0.79/0.40 U.S. gal.) and 3.6/1.8 liters (0.95/0.48 U.S. gal.) depending on the engine variant. For the machine itself, the Solar 015 Plus specification sheet lists an engine oil capacity of 4.1 liters (1.1 U.S. gal.) on p. 48. p. 137
What is the correct valve clearance for the engine?
The valve clearance for both intake and exhaust valves is 0.25 mm (0.0098 in) when the engine is cold. p. 140
What is the tightening torque for the cylinder head bolts on the L2 engine?
For the L2 engine, the M10 cylinder head bolts should be tightened to 7.5 - 8.5 kg•m (54 - 61 ft lb), and the M8 bolts to 2.0 - 3.0 kg•m (14 - 21 ft lb). p. 139
What is the injection start pressure for the nozzle?
The standard injection start pressure for the nozzle is 140 kg/cm2 (1,990 psi). p. 204
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