Gradall 544B Parts Manual - Manual (Page 49)

DRIVE TRAIN
Transmission Modulator Valve
Starting Serial No. 0155299S
Original Issue 3-90
6-9
Item Part No. Qty. Description Of Part
9020-4990 1 MODULATOR VALVE (includes items
1 thru 8)
1 1 VALVE HOUSING
2 9103-4263 1 ACCUMULATOR SPRING (inner)
3 9020-4992 1 ACCUMULATOR SPRING (outer)
4 2 ACCUMULATOR VAVLE (part of valve
assy.)
5 9020-5056 4 O-RING
6 9020-5057 4 SPOOL STOP PLUG (includes item 6)
7 9103-4264 2 REGULATOR SPRING
8 2 REGULATOR SPOOL (part of valve
assy)
9 9020-4820 1 GASKET (modulator valve to
converter housing)