Service Manual
Modification of series
Modification of series Item (a)
Type of modification Modified actuation of the pressure-relief valves for slewing gear Joint control line Xab replaced by separate control lines Xa / Xb for each valve
Affected models A 314 Li: 11147 A 316 Li: 11152 A 316 Li industrial: 11178
Additional orifice 126 in connection P of valve 125 Modified measuring connections Measuring connections 137 / 138 are moved from the side to the top (b)
Modified spool
A 314 Li: 11820
Spool for slewing gear (change in design from restricted to blocked outlet)
A 316 Li: 11822 A 316 Li industrial: 11823
Spool for chassis (change in design from restricted to open outlet) (c)
Modified pressure balance 244 for stick cylinder
A 314 Li: 12814 A 316 Li: 12741
Change from pressure balance without shock absorption to pressure balance with 0.4mm shock absorption
A 316 Li industrial: 11846
Additional control line from control valve block connection MLS to pressure balance 244 at spring side connection LSE Modified shuttle valves 227 (a3 /b3) for boom cylinder spool Change from Ă˜ 0.8 mm to Ă˜ 0.6 mm (d)
(e)
Modified fan cycle
A 312 Li: 13289
Installation of coarse filter 15 in the pressure line to oil motor / radiator fan
A 314 Li: 13104
Various modifications to control valve block
A 312 Li: 16275
A 316 Li: 13105
A 314 Li: 16215 Tuning improved. Pressure balance 224 pilotcontrolled. Shuttle valve 107 integrated into control block. Central nozzle 109 screwed in. New slewing gear module (check valve 123 before spool 120).
A 316 Li: 16141 A 316 Li industrial: 16286
Modified TC valve 125 Integrated restrictor 126 and bypass line with restrictor 129
1.02.1 MJFCIFSS