RADIATOR AR 3750788 - Caterpillar

g) Remove the bolt that holds body assembly (93) in place. Remove the body assembly from pressure control valve body (94).h) Remove the O-ring seals (96) from the body assembly.j) Remove retainer (92), two springs (91), small spring (95), check valve plunger (97) and stop (99) from the valve body.k) Remove two O-ring seals (98) from the stop. l) Remove the bolts that hold opposite side cover (106) in position. Remove the cover from the valve body. Remove seals (110) from cover.m) Remove spring (103), flow control valve plunger (101), modulating relief valve spool assembly (104), sleeve (102), retainer (105), safety valve spool assembly (109) and spring (108) from the valve body.
Make a note of dowel (107) in the bore of the valve body. This dowel must be in alignment with the notch in sleeve (102) for correct assembly.
n) Remove two dowels (100) from the valve body and the two stops that the dowels hold in place.p) Disassemble the modulating relief valve spool assembly as follows: Step 1) Remove spiral snap ring (113), retainer (115), spring (112) and poppet (114) from valve spool (111).q) Disassemble the safety valve spool assembly as follows: Step 1) Remove spiral snap ring (118), retainer (120), spring (117) and poppet (119) from valve spool (116). 10. Assemble the pressure control valve as follows: Clean all parts with a cloth that is free of loose material (lint). Put a thin layer of transmission oil on all of these parts.a) Install stops (121) and (122) in pressure control valve body (94) as shown. Make sure the holes in the stops are in alignment with the holes in the valve body.b) Install one dowel in each of the holes in the valve body and through each of the stops. Make sure the dowels are below the surface of each face of the body.c) Assemble safety valve spool assembly (109) as follows:Step 1) Install the poppet, spring, retainer and snap ring (118) into the valve spool.d) Assemble modulating relief valve spool assembly (104) as follows:Step 1) Install the poppet, spring, retainer and snap ring (113) into the valve spool.e) Install spring (108) in the safety valve spool assembly. Install the valve spool assembly into the valve body as shown.f) Install the modulating relief valve spool assembly into the sleeve as shown.g) Install sleeve (102) into the valve body. Put the notch in the sleeve in correct alignment with the dowel in the bore of the valve body. h) Install spring (103) into flow control valve plunger (101). Install the plunger into the valve body as shown.j) Install three O-ring seals (110) on cover (106). Install the cover