666B WHEEL TRACTOR SCRAPER Every 500 Service Hours Or 3 Months Caterpillar


Every 500 Service Hours Or 3 Months
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1.1. (31)Hydraulic System
2.1. (32)Tractor Transmission System
3.1. (33)Scraper Transmission System
4.1. (34)Tractor Engine Crankcase
5.1. (35)Scraper Engine Crankcase
6.1. (36)Tractor Brake Camshafts
7.1. (37)Scraper Brake Camshafts

(31)Hydraulic System

------ WARNING! ------

Hot oil or components can cause personal injury. Do not allow hot oil or components to contact skin.

------WARNING!--------


NOTICE

Machine level bowl lowered ejector forward, parking brake applied and engines stopped.


1. Remove cover, elements and screen.

2. Remove snap ring.

3. Remove screen.

4. Remove elements.
5. Wash screen in clean solvent and allow to dry.
6. Install new elements and clean screen.

7. Install cover.

8. Open filter bleed plug.
9. Start engine.
10. Close bleed plug when oil flows without air bubbles. Check oil level. Add oil if necessary.

(32)Tractor Transmission System

------ WARNING! ------

Hot oil or components can cause personal injury. Do not allow hot oil or components to contact skin.

------WARNING!--------


NOTICE

Machine level bowl lowered ejector forward, parking brake applied and engines stopped.


1. Remove filter drain plug.

2. Remove cover and used element. Clean filter housing.
3. Remove element and wash cover with clean solvent.
4. Inspect seals. Use new seals if necessary.
5. Install new element. Tighten retaining nut to 10 ± 2 lb. ft. (14 ± 0.3 mkg).

6. Coat seals with clean oil.
7. Install cover and element carefully to avoid damage to seals.
8. Clean and install drain plug.

9. Remove cover, screen and magnets.

10. Remove magnets and tube from screen.
11. Wash screen and magnets in clean solvent. Clean magnets with a cloth, stiff brush or pressure air.

------ WARNING! ------

When using pressure air, wear safety glasses and protective clothing. Use 30 PSI (2 kg/cm2) maximum pressure air for cleaning purposes.

------WARNING!--------


NOTICE

Do not drop or rap magnets against hard objects. Replace any damaged magnets.


12. Install screen and magnets.

13. Inspect cover seal. Use new seal if necessary. Install cover.
14. Fill compartment until oil shows on dipstick.
15. Start engine and run at low idle to warm the oil and to fill drained housings.
16. Check for leaks.
17. Check oil level. Maintain oi level to FULL mark on dipstick.

(33)Scraper Transmission System

------ WARNING! ------

Hot oil or components can cause personal injury. Do not allow hot oil or components to contact skin.

------WARNING!--------


NOTICE

Machine level bowl lowered ejector forward, parking brake applied and engines stopped.


1. Remove drain plug.

2. Remove cover. Install new seal.

3. Remove spring, retainer and element. Clean filter housing and install new element.
4. Install retainer and spring.
5. Install cover.
6. Clean and install drain plug.
7. Start engine and run at low idle.
8. Check oil level. Maintain oil level to FULL mark on dipstick.

(34)Tractor Engine Crankcase

1. Loosen tractor engine breather hose clamp.

2. Remove cover and elements.
3. Wash elements in clean solvent.
4. Shake or blow dry.

------ WARNING! ------

When using pressure air, wear safety glasses and protective clothing. Use 30 PSI (2 kg/cm2) maximum pressure air for cleaning purposes.

------WARNING!--------
5. Install elements and cover.

(35)Scraper Engine Crankcase

1. Remove scraper engine breather cover.

2. Remove element.
3. Wash element in clean solvent.
4. Shake or blow dry.

------ WARNING! ------

When using pressure air, wear safety glasses and protective clothing. Use 30 PSI (2 kg/cm2) maximum pressure air for cleaning purposes.

------WARNING!--------
5. Install element and cover.

(36)Tractor Brake Camshafts

Lubricate 2 fittings each wheel. Total 4 fittings.

(37)Scraper Brake Camshafts

Lubricate 2 fittings each wheel. Total 4 fittings.