TM 5-3805-280-10
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 230LCR/230LCRD
ITEM
INTERVAL
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
NO.
PROCEDURE: DO THE PMCS AND HAVE ITEM
READY/AVAILABLE
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
IF:
(2) Start unit (refer to air compressor operating
instructions). Allow unit to warm up.
(3) With compressor running at full load, check
Oil level not within
sight tube located on the side of the receiver
"OK" range
tank. The optimum operating level is midway
of the sight tube. Oil level should be within the
"OK" range.
(4) If oil level is not within the "OK" range, add oil
to receiver tank (see Fuels and Lubricants,
NOTE: Ensure that access door is closed
securely after inspection is complete.
12
Before
Check Compressor Engine Oil Level
(1) Open compressor rear right access door.
(2) Make sure dipstick is fully seated.
(3) Remove dipstick and check oil level.
Oil level is below ADD
mark on dipstick
(4) Add oil if level is below ADD mark (see Fuels
and Lubricants, Chapter 9).
NOTE: Ensure that access door is closed
securely after inspection is complete.
13
Before
Check Compressor Gauges/Lamps
(1) Open compressor rear left access door.
(2) On control panel, set switches SW1 and SW2 to
Any light fails to
OFF, then to ON. Panel lights PL1 and PL2
function
should go on. All diagnostics lamps will light
(glow) for approximately 2 seconds. Then all
lamps should go off except for LOW ENGINE
OIL PRESSURE.
(3) Check and replace any lamp that fails to light.
(4) Set switches SW1 and SW2 to OFF.
A-6
