Braun LUV PERFEKT - Page 27

27
The return movement of the LUV unit is sluggish
 check/connect the return flow without pressure (see page 15, item number 2)
 check the amount of oil at the tractor
o LUV unit installed on one side only: min. 7
𝑙
𝑚𝑖𝑛
⁄
max. 20
𝑙
𝑚𝑖𝑛
⁄
o LUV units installed on both sides: min. 12
𝑙
𝑚𝑖𝑛
⁄
max. 30
𝑙
𝑚𝑖𝑛
⁄
The feeler of the LUV unit moves stiffly
 Plain bearing bushes (part No.: 402020) of the feeler shaft have been
knocked out
 check the amount of oil at the tractor
o LUV unit installed on one side only min. 7
𝑙
𝑚𝑖𝑛
⁄
max. 20
𝑙
𝑚𝑖𝑛
⁄
o LUV units installed on both sides: min. 12
𝑙
𝑚𝑖𝑛
⁄
max. 30
𝑙
𝑚𝑖𝑛
⁄
 Disk springs (part No.: 206355183125) of the feeler shaft have been over-
tensioned
The LUV unit does not swivel out fully into the working position "Under the vine"
 Feeler bearings (plain bearing bushes (part No.: 402020) of the feeler have
become gummed up / damaged
 The position of the end cut-off screw (see page 22, item number 3) does not
allow the full stroke of the cylinder
 Oil pressure set too low at the aluminium control block (knurled screw)
(see page 6, item number 2)
The LUV unit does not swivel back fully into the starting position
 Valve stroke limiting screw (see page 22, item number 2) not set correctly
The manual initiation of the LUV unit does not function
 Check the electrical power supply and voltage