Electrolyte level 

Eyeballing 

o 

o 

o 

Electrolyte proportion 

Densimeter 

o 

o 

o 

Battery quantity 

o 

o 

o 

o 

Terminal looseness 

o 

o 

o 

o 

Looseness of connecting wire 

o 

o 

o 

o 

cleanness of battery surface 

o 

o 

o 

o 

If there is tool on the battery. 

o 

o 

o 

o 

The tightness of air cap 

o 

Check connector for worn 

o 

Check contactor for running 

o 

Check inching switch for running 

o 

Check the connection among motor, battery and power unit. 

o 

Clean the foreign body on the motor 

o 

o 

Clean or replace the bearing 

Check the carbon brush and commuter for worn , if spring is normal 

o 

o 

If the connection is correct and firm. 

o 

o 

Check for noise 

o 

o 

o 

o 

Check for oil leaks 

o 

o 

o 

o 

Change oil 

Check wheel hub bearing for looseness, noise 

o 

o 

o 

Clean and replace grease 

x 

Check the axle body 

o 

o 

Check bolts which is connected to the truck body for looseness 

o 

o 

Check for abrasion,  cracks or damage 

o 

o 

o 

o 

Check for spikes, stones or foreign matter 

o 

o 

Check the wheel hub for damage 

o 

o 

o 

o 

Check for peripheral play 

o 

o 

o 

o 

Check for vertical looseness 

o 

o 

o 

o 

Check for sideways looseness 

o 

o 

o 

o 

Check for proper operation 

o 

o 

o 

o 

Check mounting bolts for looseness 

o 

o 

Check king pins for looseness or damage 

o 

o 

Check for deflection, deformation, cracks or damage 

o 

o 

Check for mounting condition 

Test hammer 

o 

o 

Check for operation 

o 

o 

o 

o 

Check for oil leaks 

o 

o 

o 

o 

Check for mounting parts and joints for looseness 

o 

o 

Check for free travel 

Scale 

o 

o 

o 

o 

Check for pedal travel 

o 

o 

o 

o 

Check for proper operation 

o 

o 

o 

o 

Check for air mixed in brake piping 

o 

o 

o 

o 

Check for lever is securely locked and has sufficient lever stoke  

o 

o 

o 

o 

Check for proper operation 

o 

o 

o 

o 

Check for operation 

o 

o 

Check connections for looseness 

o 

o 

Check for damage, leakage or collapse 

o 

o 

Check for loose connection or clamping parts 

o 

o 

Check for fluid leaks 

o 

o 

Check for fluid level, Change brake fluid 

o 

o 

o 

Check master cylinder and wheel cylinder for proper operation 

Check master cylinder and wheel cylinders for fluid leaks or damage 

Check for oil level, Change oil 

o 

o 

o 

o 

Clean suction strainer 

Drain for foreign matter 

Check levers for looseness at link 

o 

Check for proper operation 

o 

o 

o 

o 

Check for oil leaks 

o 

o 

o 

o 

Check relief valve and tilt lock valve for proper operation 

o 

o 

Measure relief pressure 

Oil press gauge 

Check for oil leaks, looseness, collapse, deformation and damage 

o 

o 

Replace hoses. 

Check hydraulic pump for oil leaks or noise 

o 

o 

o 

o 

Check chain for tension, damage or rust 

o 

o 

o 

o 

Lubrication of chain 

o 

o 

Check connection of chain anchor pin and chain for looseness 

o 

o 

Check sheaves for deformation or damage 

o 

o 

Check sheaves bearings for looseness 

o 

o 

Perform general inspection 

o 

o 

Check piston rod, rod screw and connection for looseness deformation or damage 

Test hammer 

o 

o 

o 

o 

Check cylinders for proper operation 

o 

o 

o 

o 

Check for oil leaks 

o 

o 

o 

o 

Check pin and cylinder bushing for wear or damage 

o 

o 

Check forks for damage, deformation or wear 

o 

o 

Check for stopper pins for damage or wear 

o 

Check fork base and hook welding for defective cracks or wear 

o 

o 

Check cross members on outer and inner masts for defective weld, cracks or damage 

o 

o 

Check tilt cylinder bracket and mast for defective weld, cracks or damage 

o 

o 

Check outer and inner masts for defective weld, crack or damage 

o 

o 

Check mast support bushing for wear or damage 

Check mast support cap bolts for looseness 

O 

(for 1^st time only) 

Check lift cylinder tall bolts, piston rod head bolts, U-bolts and piston head guide bolts for looseness 

Test hammer 

O 
(for 1^st time only)