How to Bleed the Air from the Brake Circuit of a Komatsu Forklift

 This article explains how to bleed the air out of the brake circuit of a Komatsu forklift

Komatsu CSS Net ΕPC 05.2022

• Bleeding air from brake circuits

# This procedure should be carried out whenever work is

performed on the brake circuit to remove or replace a

component, or when air enters the circuit. 

 

#The machine should be stopped, with the equipment to

the ground. 

 

1 -Make sure the oil in the brake system oil tank (1) is at

max level.

 

 

  Komatsu Forklift LinkOne EPC 11.2012Spare Parts Catalog

   

2 -Remove the safety caps and apply a clear hose (3) to the bleed screws (2) to collect the oil. 

 

3 -Press the brake pedal to the floor and simultaneously loosen the bleed screw (2) of the brake unit under main  tenance until the pedal reaches the end of its travel. 

 

4 -Hold the pedals at the end of their travel while simulta  neously tightening the bleed screw (2). 

 

5 -Release the brake pedal, wait a few seconds, and re peat the steps described so far until there are no bubbles in the oil coming out of the bleed screw. 

6 -Repeat the same steps on the other brake units.

# Frequently check the oil level in the oil tank and fill

whenever the level is near minimum.

#At the end of the bleeding procedure, apply the safe

ty caps to the screws (2).

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New glass installed in JCB backhoe loader cabin

This article focuses on the installation of new glass in the cabin of the JCB backhoe loader

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1 

 Make sure the two spacer blocks are in position (see

step 1 of Preparing the New Glass). 

2 

 Install the glass in the frame aperture:

a ALWAYS use the special lifting tools when moving

the glass. Use a lifting strap to hold large panes of

glass in position as shown W.

b Sit the bottom edge of the glass on the spacer

blocks as shown X.

c Make sure that the glass is correctly positioned, then

gently press around the edges of the glass and

ensure full adhesive contact is achieved. Do not

press too hard or too much adhesive will squeeze

out.

Section B

Body & Framework

9803/3280

Section B

21 - 5

Issue 1

Service Procedures

8-10mm

10-15mm

S186440

S189930

A186410

S

T

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3

Make the inside seal smooth:

a Wearing surgical gloves, dip your finger in a soapy

water solution.

b

Use your finger to make the inside seal smooth.

4

All exposed edges must be sealed using Black

Polyurethane Sealant (see Sealing and Retaining

Compounds).

5

Clean the glass after installation:

IMPORTANT: Use extreme caution when wiping the inside

of the new glass - pushing too hard on the inside of the

glass will affect the integrity of the bonded seal.

a Small amounts of sealant can be cleaned from the

glass using the 'Active Wipe 205'.

b Large amounts of excess sealant should be left to

'cure' (see Note 4) and then cut off with a sharp

knife.

Note 4: On completion of the glass replacement procedures,

the sealant 'curing' time is 30 minutes. This means that the

machine can be driven and used after 30 minutes, but it

MUST NOT be used during the curing period of 30 minutes.

c

Clean the glass using a purpose made glass

cleaner.

6

On completion of the glass installation procedures tidy

the work area:

a Remove ALL broken glass from the cab area.

b Remove the protective covers from the cab seat and

control pedestals.

c Renew all 'warning' and 'information' de

JCB Agco SISU Power WinEEM4-JCB Service Tool 2.8.0

JCB Backhoe Loader Air Conditioning Compressor Drive Belt - Adjusting

This article mainly introduces JCB Backhoe Loader Air Conditioning Compressor Drive Belt - Adjusting

JCB Heavy Duty Truck Diagnostic Tool JCB Electronic Service Tool with JCB ServiceMaster42023.09

1 Park the machine on firm level ground. Raise and block the loader arms. Lower the backhoe to the ground and
stop the engine.

2 Remove the starter key.


! WARNING
Make sure the engine cannot be started. Disconnect thebattery before doing this job.


3 Raise the Bonnet

4 Remove both Side Panels

5 Loosen pivot fastening bolt A. Loosen adjustment link fastening bolts B and C.

6 Position the compressor so that there is approximately 10 mm (3/8 in) slack at point X midway along the belt.

7 Tighten bolts A, B and C. Make sure that bolt A is the    last to be tightened. Note: If a new belt is fitted, check    the belt tension after the first 20 hours of op
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