Komatsu FD160E-7 User Manual

CONTROL VALVE DISASSEMBLY AND ASSEMBLY
40-74 EX20 Series
5. Plug, oil seal
1) Remove three plugs (19) using a 6 mm hexagon
key wrench.
2) Remove three O-rings (58) using a scriber.
3) Remove socket head plug (59) using a 5 mm
hexagon key wrench.
4) Remove sleeve (23) using a 32 mm spanner.
5) Remove O-ring (54) using a scriber.
6) Remove two hexagonal socket head bolts (39)
using a 4 mm hexagon key wrench.
[This work is required for all port reliefs.]
7) Remove seal holder (36) and oil seal (46).
[This work is required for all port reliefs.]
6. Plunger
1) Remove two plugs (1) using a 12 mm hexagon
key wrench.
2) Remove O-ring (57) using a scriber.
3) Pull out two sets of spring (2) and plunger (4).
Check the combination of these parts when
disassembling, and reassemble them at
their original positions.
4) Since steel balls (44) are press-fit into body (37),
it cannot be disassembled.
5) Since plate name (35) is riveted with rivet screws
(43), it cannot be disassembled.
ASSEMBLY
Before starting reassembly, adequately wash and
degrease disassembled parts and prepare new oil seals.
1. Plunger
1) Install two sets of plunger (4) and spring (2) to
body (37) with the same combination as that
during disassembling.
2) Tighten two plugs (1) together with O-rings (57)
to body (37) using a 12 mm hexagon key
wrench.
2. Sleeve
1) Tighten two sleeves (23) together with O-rings
(54) to body (37) using a 32 mm spanner.
3. Plug, oil seal
1) Install oil seal (46) to body (37). [This work is
required for all port reliefs.]
2) Tighten seal holder (36) with two hexagonal
socket head bolts (39) using a 4 mm hexagon
key wrench.
[This work is required for all port reliefs.]
3) Tighten three plugs (19) together with O-rings
(58) to body (37) using a 6 mm hexagon key
wrench.
4. Main relief assembly
1) Tighten sleeve (33) assembly to body (37) using
a 24 mm spanner.
5. Socket head plug
1) Wind seal tape around socket head plug (59)
and tighten it using a 5 mm hexagon key wrench.
63.5–77.6 {6.5–7.9 kgm}
78.3–95.7 {8.0–10.1 kgm}
5.6–6.8 {0.6–0.7 kgm}
28.8–35.2 {2.9–3.6 kgm}
88.2–107.8 {9.0–11.0 kgm}
7.9–9.7 {0.8–10.0 kgm}

Komatsu FD160E-7 Specifications

General

Brand	Komatsu
Model	FD160E-7
Category	Forklifts
Language	English