CAT Dragline 1370W Walking Dragline Mechanical Maintenance And Operation Manual

Page 93

BI005574

CHAPTER 2 SECTION 2 - COMPONENT MAINTENANCE AIR COMPRESSOR (KELLOGG-AMERICAN) NOTE: If your machine is equipped with an air compressor of a different manufacturer, refer to the manufacturer's manual for maintenance and repair procedures.

DAILY MAINTENANCE 1. Inspect the compressor (figure 82) for belt slippage, vibration, and unusual noise, overheating or failure to compress. 2. Drain condensate from the air storage tanks.

WEEKLY MAINTENANCE 1. Examine the air filter element (figure 83). If it is dirty, remove it and wash it in kerosene or in hot water containing any commercial grease solvent.

A

CAUTION: Do not use gasoline.

2. Check the oil level at the visual oil ga uge in the compressor base. Add oil if necessary to bring the oil level to the full mark on the visual oil gauge. LUBRICATION SPECIFICATIONS of

i

s.s.v.

Flash Point °F(Min.)

Pour

Carbon Residue

Point °F(Max.)

%(Max.)

Preferred Base

55'0 120

490 to 600

430

+ 20

.15

Naphthenic

32 to 55

290 to 350

390

.,.

5

.10

Naphthenic

160 to

350

- [0

.05

Naphthenic

Oto 32

I

Viscosity at 100°

Above 120 or Below 0

2.)(J

FIGURE 82

MONTHLY MAINTENANCE

Dry the air filter and dip it in new clean oil. Allow the excess oil to drain off. Then reinstall the air filter element in the air system.

Ambient Or Room Temp.

AIR COMPRESSOR KELLOGG-AMERICAN

Consult factory giving details of installation and operation

NOTE: For operation in damp or humid locations, addition of a rust inhibitor is recommended. 3. Clean the exterior ofthe compressor with a rag or compressed air.

1. Check all bolts. If necessary, tighten them to comply with the following recommended values. Foot Pounds Head bolts Low pressure valve hold-down Base bolts High pressure valve hold-down End cover bolts Pulley bolts

40 15 43

8 20 43

2. Check all air connections and joints for leaks. Tighten as necessary. 3. Drain the oil from the base and refill with new oil.

HEAD VALVE SERVICE 1. To res eat or replace head valves (figure 84) take off the head and head plate by removing the hold-down bolts.

WARNIN G: Do not tear the head gasket.

., BUCYRUS-ERIE COMPANY, 1983

87


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