Prochem Apex - Manual (Page 68)

MAINTENANCE - DIESEL
APEX 86037630 7-4
DO NOT service this unit while it is running. The
high-speed mechanical parts as well as high
temperature components may result in severe
injury, severed limbs, or fatality.
NOTE: Use the hour meter as a guide for
coordinating the maintenance schedule.
ENGINE
1. Check the engine oil level daily, when in use.
Make certain that proper oil level is maintained.
NEVER overfill.
2. Change the break-in oil after the first 50 hours
of operation. Thereafter, change oil every 100
hours of operation. USE ONLY KUBOTA
BRAND OIL FILTERS. USING ANY OTHER
TYPE OIL FILTER WILL VOID YOUR ENGINE
WARRANTY.
Oil Recommendation. Use high-quality 15-40
detergent oil of at least API (American
Petroleum Institute) service class CD or higher.
Changing interval of engine oil and oil filter
cartridge.
50 Hrs (Initial) Engine Oil
100 Hrs D902-E
Oil Filter Cartridge 200 Hrs
Lubricating Oil
With the emission control now in effect, the
CR-4 and CG-4 lubricating oils have been
developed for the use of a low-sulfur fuel.
If the CF-4 or CG-4 lubricating oil is used with
a high-sulfur fuel, change the lubricating oil at
shorter intervals.
API service classification: above CD grade.
Ambient temperature: below 35°C (95°F).
3. Re-torque the manifold and exhaust tube nuts,
cylinder head bolts after the first 200 hours of
use.
4. Clean the air cleaner element every 200 hours.
Replace the element yearly.
5. Check the engine idle RPM every 200 hours
and adjust, if necessary. NEVER adjust engine
RPM without a tachometer. Refer to Kubota
Engine Operation and Service Manual.
6. Check the coolant level in the radiator overflow
container daily. If no coolant is seen, remove
the cap and add coolant. Change the coolant
with a 50/50 coolant to water ratio every 1000
hours.
7. Replace the in-line fuel filter yearly.
NOTE: For additional engine service
information, obtain a “Kubota Service and Repair
Manual” from any authorized Kubota Service
Center. If service or repair is required, contact
an authorized Kubota Service Center. You will
need to provide the serial number of the engine.