HELI CPD15 Service Manual

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3.6 Main Failure and Troubleshooting of the Steering System
3.6.1 Inspect after reassembling the steering system
(1) Turning the steering wheel right and left, inspect whether the steering is smooth.
(2) Check if the hydraulic pipeline is correctly connected and the right and left
steering are installed correctly.
(3) Lift up the rear wheels and slowly turn the steering hand-wheel right and left
several times to exhaust air from the hydraulic pipeline and the steering cylinder.
3.6.2 Steering system troubleshooting
Table 3-2
Problem
Analyses of trouble
Remedies
Fail to turn
hand-wheel
Pump damaged or breaking down.
Replace
Splite flow valve blocked or damaged
Clean or replace
Hose or joint damaged or pipeline
blocked.
Clean or replace
Difficult to turn
hand-wheel
The pressure of the relief valve is too low.
Adjust the pressure
Air in steering oil circuit.
Exhaust air
Steering unit fail to recover due to spring
piece damaged or elasticity-insufficient.
Replace spring piece
Oil leakage in the steering cylinder.
Inspect the seal of the
piston
Truck’s snacking
or moving with
oscillation
Spring damaged or elasticity-insufficient.
Replace
Large steering flow
Adjust Splite flow valve
flow
Excessive noise
Too low oil level in the oil tank.
Refill oil
Suction pipeline or oil filter blocked.
Clean or replace
Oil leakage
Seals of guide sleeve, pipeline or joint
damaged.
Replace
4. Electric System
4.1 General Description
CURTIS electric control system is G series 1-3.5t lithium battery forklift truck
standard equipment which offers low noisy, high efficient, smooth and safe control.
G series 1-3.5t lithium battery forklift truck electrical system offers a variety of
brands to choose from. Currently, there are CURTIS, INMOTION, ZAPI and
SONGZHENG four electronic control systems, which can realize the vehicle quiet,

HELI CPD15 Specifications

General

Brand	HELI
Model	CPD15
Category	Trucks
Language	English