Gear Changing In The Transmission With The Synchromesh Gb And Reverse Gear - Belarus 921.6 Operator's Manual

Table of Contents

ATTENTION:FOURTH GEAR OF THE GB CAN BE ACTIVATED ONLY WHEN THE

GB II RANGE IS ACTIVATED!

ATTENTION: CHANGE THE GB GEARS AND RANGES ONLY WHEN THE TRAC-

TOR IS STOPPED AND THE CLUTCH PEDAL IS FULLY PRESSED DOWN! WHILE

TRANSPORTATION WORKS PERFORMING IT IS ALLOWABLE TO CHANGE GEARS

WHILE MOVING FROM THE SECOND TO THE THIRD AND FROM THE THRIRD TO THE

SECOND WITHING THE I AND II RANGES, AS WELL AS FROM THE SECOND TO THE

FOURTH, FROM THE FOURTH TO THE SECOND, FROM THE THIRD TO THE FOURTH

AND FROM THE FOURTH TO THE THIRD WITHING THE II RANGE. CHANGE GEARS

WHEN THE TRACTOR IS COASTING AND WITH FULY DEPRESSED CLUTCH COUPLING!

ACTIVATION AND DEACTIVATION OF THE FIRST GEAR, CHANGING TO THE FIRST

GEAR FROM HIGHER GEAR, ACTIVATION AND DEACTIVATION OF THE REVERSE

MOVEMENT GEAR SHALL BE PERFORMED ONLY WHEN THE TRACTOR IS COM-

PLETELLY STOPPED AND WITH FULY DEPRESSED CLUTCH COUPLING PEDAL!

ATTENTION: CHANGE THE STAGES OF THE SYNCHROMESH INCREASING

GEARBOX ON ANY GB GEAR ONLY WHEN THE TRACTOR IS COMPLETELLY STOPPED

AND WITH FULY DEPRESSED CLUTCH COUPLING PEDAL! WHILE TRANSPORTATION

WORKS PERFORMING IT IS ALLOWABLE TO CHANGE THE STAGES OF THE SYN-

CHROMESH INCREASING GEARBOX WHILE MOVING. CHANGE GEARS WHEN THE

TRACTOR IS COASTING AND WITH FULY DEPRESSED CLUTCH COUPLING PEDAL!

2.15.4 Gear Changing in the Transmission with the Synchromesh GB and Re-

verse Gear.

The GB with reverse gear controls are shown in Figure 2.15.7.

Gears are changed by two levers: GB ranges and gears changing lever 3 (Figure 2.15.7)

and reverse gear control lever 2.

1 – GB reverse gear stages changing diagram; 2 – GB reverse gear control lever; 3 –

GB ranges and gears changing lever; 4 – GB ranges and gears changing diagram.

Figure 2.15.7 – Synchromesh GB with the reverse gear control

Select required ranges, gears and stages of the reverse gear (forward movement stage –

"forward" symbol, reverse movement stage – "reverse" symbol) according to the changing dia-

grams 4 and 1 as shown in Figure 2.15.7 .

Change ranges and gears by the single lever 3, at that, activate the range (I or II) first,

then move the lever into position N and select required gear.

The reverse gear control lever 2 shall be in activated (fixed) position during the tractor

operation: forward – forward movement stage ("forward") or reverse – reverse movement

stage ("reverse"). It is allowable to keep the lever of the reverse gear in the neutral (not fixed

middle position) position in order to make the engine starting easier at low temperatures.

921.6-0000010 OM

Table of Contents