Doosan D50S-5 Operation & Maintenance Manual page 191

3. 3. Test secondary cables with an Ohmmeter. If Test secondary cables with an Ohmmeter. If
maximum resistance is higher than 25 kOhms, maximum resistance is higher than 25 kOhms,
repair and/or replace. repair and/or replace.
4. 4. Remove distributor cap and perform visual Remove distributor cap and perform visual
inspection. Replace cap and rotor if corrosion is inspection. Replace cap and rotor if corrosion is
found on the contacts. found on the contacts.
5. 5. Inspect the ignition coil for cracks and heat Inspect the ignition coil for cracks and heat
deterioration. Visually inspect the coil heat sink deterioration. Visually inspect the coil heat sink
fins. If any fins are broken replace as required. fins. If any fins are broken replace as re
Replace LP Fuel Filter Element (LP Replace LP Fuel Filter Element (LP
Engine Only) Engine Only)
Park the lift truck in an authorized refueling area with Park the lift truck in an authorized refueling area with
the forks lowered, parking brake applied and the the forks lowered, parking brake applied and the
transmission in Neutral. transmission in Neutral.
1. 1. Close the fuel shutoff valve on the LP-Fuel tank. Close the fuel shutoff valve on the LP-Fuel tank.
Run the engine until the fuel in the system runs Run the engine until the fuel in the system runs
out and the engine stops. out and the engine stops.
2. 2. Turn off the ignition switch. Turn off the ignition switch.
3. 3. Scribe a line across the filter housing covers, Scribe a line across the filter housing covers,
which will be used for alignment purposes when which will be used for alignment purposes when
re-installing the filter cover. re-installing the filter cover.
Filter Filter
Housing Housing
Scribe Scribe
5. 5. Apply anti-seize compound to the spark plug
DO NOT OVERTIGHTEN THE SPARK PLUGS. DO NOT
quired.
6. 6. Re-install the high voltage cables.
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Fuel Filter - Disasse Fuel Filter -
5. 5. Remove top cover (2), magnet (3), spring (4), and
6. 6. Replace the filter element (7).
1 1 7. 7. Check bottom cover O-ring seal (6) for damage.
Apply anti-seize compound to the spark plug
threads and install. threads and install.
G643(E) Engine : 30 N•m (22 lb•ft) G643(E) Engine : 30 N•m (22 lb•ft)
WARNING WARNING
OVERTIGHTEN THE SPARK PLUGS.
Re-install the high voltage cables.
Disassembly mbly
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5 5
6 6
7 7
Remove top cover (2), magnet (3), spring (4), and
filter element (7) from bottom cover (5). filter element (7) from bottom cover (5).
Replace the filter element (7).
Check bottom cover O-ring seal (6) for damage.
Replace if necessary. Replace if necessary.
Maintenance Section Maintenance Section
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