Maintenance Services In Every 1000 Hours Of Operation - Belarus 3522.5 Operator's Manual

6.4.5 Maintenance service in every 1000 hours of operation
6.4.5.1 General guidelines
Complete the abovementioned tasks, and the tasks, listed in the present subclause
6.4.5 also.
6.4.4.14 Task 48. Change of oil in HLL and HSC integrated tank
Before changing oil, in order to warm up the oil in HLL and HSC systems set the
steering wheel into the extreme position with the motor running and keep it this position
until the oil is warmed up to the temperature not less than 45 °С.
To change the oil in the HLL and HSC integrated tank perform the following actions:
- set the tractor in level surface, set the RLL links into the lowermost position, FLL
links into the uppermost position, put the parking brakes on and stop the engine;
- unscrew the plug of the oil filler 1 (Figure 6.4.2) and the drain plug (plugs) 3 of the oil
tank, drain the oil into a special tank for an exhaust oil;
- withdraw the intake filter 4, rinse the intake filler strainer in a clean diesel engine,
and blow it off with a compressed air;
- build the intake filter 4 in;
- insert the drain plug back in its place (plugs) 3 and fill the system with a new oil to
the required mark «П» according to the oil-level gauge 2;
- insert the oil filler 1 plug back in its place.
ATTENTION: OIL CHANGE OPERATION IN THE HLL AND HSC HYDRAULIC
SYSTEM SHALL BE CARRIED OUT ONLY WITH RLL CYLINDER RODS RETRACTED
AND THE IMPLEMENTS COUPLED WITH THE TRACTOR!
WARNING: BE CAREFUL IN ORDER TO AVOID CONTACT WITH HOT OIL!
6.4.5.2 Task 49. Change of oil in transmission line
Before changing oil, warm up the transmission line up to the normal operating tem-
perature by means of driving the tractor.
To change the oil in the transmission line, perform the following actions:
- place the tractor on level horizontal ground, engage the parking brake and lock the
wheels against movement fore and aft by anti-recoil limit stops, excluding tractor self-
movement. The engine must be stopped.
- unscrew the rear axle drain plug 1 (Figure 6.4.38) and the sleeves drain plugs 2;
- drain the oil from the gear-box, rear axle and final drive sleeve casings;
- unscrew the oil level check plug 3 in the transmission line;
- screw the drain plugs 1 and 2 in;
- unscrew the plug 5 (Figure 6.4.1) and fill in with a new oil up to the oil level check
plug level 3 through the filler neck 4 (Figure 6.4.38);
- screw the oil level check plug 3;
- check the oil level in the transmission with the examining probe 1 (Figure 6.4.1), fill
in with a new oil up to the required level (oil level shall be between the probe marks)
through the filler neck 4.
ATTENTION: SIMULTANEOUSLY WITH OIL CHANGE IN THE TRANSMISSION
LINE IT IS NECESSARY TO REPLACE THE EXCHANGEABLE FILTER CARTRIDGES
OF THE DUPLEX FILTER OF THE TRANSMISSION HYDRAULIC SYSTEM, REGARD-
LESS OF HOW MANY TIME HAS PASSED FROM THE DATE OF PREVIOUS RE-
PLACEMENT!
ATTENTION: AFTER OIL CHANGE IN THE TRANSMISSION LINE, START THE
ENGINE, LET IT WORK AT IDLE SPEED FOR TWO OR THREE MINUTES. THEN, NOT
SOONER THAN IN 8 MINUTES AFTER THE ENGINE IS STOPPED, CHECK THE OIL
LEVEL IN THE TRANSMISSION LINE ONCE AGAIN. REFILL THE OIL IF NECESSARY!
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