Komatsu 830E Shop Manual page 721

250 HOUR LUBRICATION AND MAINTENANCE CHECKS (CONTINUED)
6. COOLING SYSTEM -
a. Check cooling system for proper coolant
mixture. Add coolant mixture as required.
b. COOLANT FILTERS - Change coolant fil-
ters. Refer to engine manufacturer's Opera-
tion and Maintenance Manual for coolant
filter replacement instructions and recom-
mended coolant mixture and additives.
7. STEERING LINKAGE - Check torque on steer-
ing pin nuts 525 ft. lbs. (712 N.m) torque.
Check torque on tie rod clamping capscrews,
310 ft.lbs. (420 N.m) torque. Inspect all lube
points to be certain all are receiving adequate
grease. Look for broken lines, or signs that
injectors may be inoperative.
8. CAB AIR FILTER (NOT SHOWN) - Under nor-
mal operating conditions, clean every 250
hours. In extremely dusty conditions, service as
frequently as required. Clean filter element with
mild soap and water, rinse completely clean
and air dry with maximum of 40 psi (275 kPa).
Reinstall filter.
9. HYDRAULIC SYSTEM FILTERS - Replace filter
elements, after the initial 50, 100, and 250
hours of operation; then at each 500 hours of
operation thereafter. Check oil level. Add oil as
necessary. Lube Key "B"
10. MOTORIZED WHEEL GEAR CASE - Refer to
the G.E. Planned Maintenance Manual and
specific motorized wheel shop manual. Check
for correct oil level. Lube key "C".
11. WHEEL MOTOR BLOWER - Grease motor
blower shaft bearings. Lube key "D".
12. G.E. PREFILTER BLOWER - Add one or two
applications of grease to the grease fitting. Lube
key "D".
13. BATTERIES (NOT SHOWN) - Check electrolyte
level and add water if necessary.
14. BODY UP SWITCH (NOT SHOWN) - Clean
sensing area of any dirt accumulation.
P02039 Lubrication and Service
COMMENTS √ √ √ √ 'd INITIALS
P2-9