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MODEL 44-50
VIBRATORY
DRIVER/EXTRACTOR
IV.
MAINTENANCE AND ADJUSTMENTS
B. DAILY (CONTINUED)
f.
Visually check all hoses for signs of damage or cuts that might cause hose failure during
operation. Be sure all connections are tight, especially the quick-disconnect couplers.
g. Visually inspect all suppressor elastomers and elastomer bolts.
h. Electrical components need no maintenance except periodic wiping with a clean, dry,
lint-free cloth to remove dust.
i.
Perform all daily maintenance checks and lubrication indicated in the CATERPILLAR
OPERATION GUIDE.
3. After engine start-up, check the following:
a. Check all hydraulic hoses for leaks. Make sure they hang freely with no kinks.
b. Check pump and all hydraulic manifolds for leaks.
c. Check the fi lter indicators. 0-17psi = Filter Clean, 18-23psi = Change Filter, 24 + psi
= Filter Clogged The return fi lter on the power pack must be checked with the diesel
engine running at full speed.
C. 100 HOURS, 500 HOURS AND OTHER
1. Every 100 hours, drain and add new lubricant in the vibration case.
2. Perform all maintenance checks and lubrication indicated in the CATERPILLAR
OPERATION GUIDE.
3. After the fi rst 100 hours, drain and replace the lubricant in the multi-pump drive. There
after change every six months or 2000 hours, which ever comes fi rst.
D. ANNUALLY
1. Have the hydraulic fl uid tested by a local hydraulic service center or oil company.
Replace if required.
how often fl uid should be changed is to have a laboratory fl uid analysis done
periodically.
2. See Caterpillar OPERATION GUIDE.
The frequency with which hydraulic fl uid requires changing
depends both on the condition of the fl uid and the operating
conditions involved. The most accurate method for determining
IV-2
OPERATING
INSTRUCTIONS
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