Content .. 128 129 130 131 ..

Engine JAC HFC4DA1-2C. Manual - part 130

MT Manual

Manual

Manual Transmission

Transmission

-40-

Removal/Installation

Removal/Installation (Continued)

(Continued)

Transmission

Install the fixed circlip of 5

driving gear of

transmission countershaft in place.

Install

output

shaft

transmission

into

transmission housing.

Install guide bearing of input shaft of transmission
in place.

Install shifting mechanism assembly.

�

Maintain each gear and synchronizer at neutral

position.

�

Install interlocking steel ball into transmission

housing.

�

Install

gear

shift

shaft

into

transmission

housing gently.

MT Manual

Manual

Manual Transmission

Transmission

-41-

Removal/Installation

Removal/Installation (Continued)

(Continued)

Transmission

Install gear shift control mechanism assembly.

�

Install the self-locking device of gear shift
control mechanism in place.

10. Knock the input shaft gently into transmission.

Attention:

During the installation of input shaft, use rubber

hammer to knock gently

on symmetric

position on input shaft support bearing.

�

Install inside and outside circlips into input
shaft of transmission.

�

Install

the

countershaft

bearing

into

transmission. Please notice the mounting
direction of both side bearing inner rings, with
the one without ledge facing inward of
transmission. During installation, use hammer
to knock on transmission bearing gently and
evenly into transmission housing.

11. Install shifting mechanism assembly.

�

Maintain each gear and synchronizer at neutral

position.

�

Install interlocking steel ball into transmission

housing.

�

Install

gear

shift

shaft

into

transmission

housing gently.

12. Install gear shift control mechanism assembly.

Install the self-locking device of gear shift control
mechanism in place.

MT Manual

Manual

Manual Transmission

Transmission

-42-

Removal/Installation

Removal/Installation (Continued)

(Continued)

Transmission

13. Install top cover of transmission.

Maintain gear shift control mechanism and gear
shift shaft at reverse gear position.

14. Install gear shift control mechanism onto the top

cover of transmission.

Attention:

In order to avoid deformation during installation of
transmission cover, please tighten bolts on middle
part first and then bolts on both sides in symmetry.
(Check for normal gear shifting after installation)

15. Assemble

clutch

housing

onto

transmission

housing.

Tighten outer bolts and front cover mounting bolts of

input shaft. Please tighten bolts on middle part first
and then bolts on both sides or tighten diagonally.

16. Tighten output shaft flange of transmission to the

specified torque.

MT Manual

Manual

Manual Transmission

Transmission

-43-

Maintenance

Maintenance Parameters

Parameters

Tightening

Tightening torque

torque

Position

Technical Requirement (N.m)

Connection between clutch housing and transmission housing

68.6～93.2

Reversing lamp switch

29.4～39.2

Rear cover, transmission cover bolts

25～35

Bracket bolt

25～35

Side cover bolt

14～24.5

Vent plug

10.8～18.6

Oil filler plug and oil drain plug

39.2～58.8

Output shaft nut

160～210

Gear shift shaft dowel hole bolt

9.8～14.7

Odometer shaft sleeve

9.8～14.7

Release fork ball joint support

30～42

Input shaft front cap

9.8～14.7

Main technical parameters

Type

Five forward gears and one reverse gear

Control type

Remote control

Rated input torque

300N.m

Assembly mass

About 78Kg

Speed ratio

Gear position

Speed ratio

gear

4.717

gear

2.513

gear

1.679

gear

1.00

gear

0.784

Reverse gear

4.497

Content .. 128 129 130 131 ..