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Doosan DX225LC Fuel Tank Removal Guide

已有 468 次阅读2022-12-9 02:49 |系统分类:科技教育分享到微信

This article mainly introducesDoosan DX225LC Fuel Tank Removal Guide

CAUTION!

Follow all safety recommendations and safe shop practices outlined in the front of this manual or those contained within this section.
Always use tools and equipment that are in good working order.
Use lifting and hoisting equipment capable of safely handling the load.
Remember, that ultimately safety is your own responsibility.

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AWARNING!
Engine fuel is highly flammable and potentially explosive.
To prevent possible injury and/or damage to equipment, extinguish or move to a safe distance all potential fire hazards.

REMOVAL
1. Look at fuel level display(Figure 2) on instrument panel in operators cabin to see what it displays. The display is divided into ten separated segments, each representing 10percent of total fuel supply. Also, look at level gauge on side of tank to estimate volume of fuel left in tank.
NOTE: If possible, work excavator until available fuel supply in tank has been run down as far as possible.

2. Park on firm and level ground and swing turntable to
approximately a 90° with respect to tracks. See Figure 3

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3. Lower front attachment (bucket) to ground.
4. Shut down engine.
5. Set safety lever on "RELEASED" position.
6. Turn starter switch to "I" (ON) position.
AWARNING!
If engine must be run while performing maintenance, use extreme care. Always have one person in the cabin at all times. Never leave the cabin with the engine running.

7. Fully stroke work levers (joysticks) in all directions to
relieve any pressure from accumulators.
8. Set safety lever on "LOCK" position.
9. Turn key to "O" (OFF) position and remove from starter
switch.
10. Hang maintenance warning tag on controls.
11. Disconnect negative (-) battery cable leading to frame from
battery

12. Clean area around fuel tank fill cap (11, Figure 5). Openfuel cap

13. Place a large enough container under fuel tank to collect
remaining fuel. Open drain valve (6, Figure 6) at bottom of
tank and drain.
NOTE:
Fuel tank capacity is 400 liters (105 US gal)

14. Tag and disconnect fuel supply line (21, Figure 7) and fuel
return line (19) from fuel tank (1) and carefully drain
remaining fuel from lines.
15. Remove clamp (20, Figure 7) holding fuel return line (19) totank (1

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16. If equipped, remove components from fuel filler pump port
(22, Figure 8) on side of fuel tank (1).

17. Remove five bolts (23, Figure 9) and cover (24) from fuel
tank.

18. Remove eight bolts (25 and 26, Figure 10) and stay (27)
from fuel tank and frame.
Remove four bolts (28 and 29) and fuel tank cover (30)
from fuel tank.
Remove two bolts (31) and bracket (32) from tank.
Remove four bolts (33) and battery cover (34) from frame

19. Tag and disconnect wires leading to fuel sender (16, Figure
11) on side of fuel tank (1)

20. Remove four bolts (35 and 36, Figure 12) and cover (37)
from fuel tank and support

21. Install two 12 mm eyebolts in threaded holes (38 and 39,
Figure 13). Using a suitable lifting device, sling eyebolts.
22. Remove six bolts (7) and spacers (13, Figure 13) holding
tank (1) to frame. Lift tank 25 mm (1") and make sure it is
balanced. Make sure there are no other electrical wires or
hoses connected to tank. Remove tank after inspection.
NOTE:
The clear level gauge on the side of the tank is
easily damaged. Be careful of obstacles and
wind gusts.
23. Remove shims (9, Figure 13).
NOTE:
If tank is to be reused note position and amount
of shims used for each mounting bolt location.