＊
1.
1-1
1-2
1-3
1-4
2.
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
3.
3-1
3-2
3-3
In this Section, for the case where index numbers
in drawings are different for MVH-100(120)/150
and MVH-R60, those for MVH-100(120)/150 will
be shown in “{ }”.
Disconnect hydraulic hose off the compactor
cylinder.
Remove hydraulic hose clamp at the bottom of
handle.
Remove hand pump assembly from the
handle.
Remove hydraulic hose from the hand pump
assembly.
With breather cap (33,{22}) taken off, remove
the breather (21).
Remove cover (2) from top of the pump (Remove
four hex socket head bolts (21, {20}).
With blank plug (23, {17}) removed, take off the
stopper (22, {16}).
With spring retainer (18) or hose joint ({19})
removed, take off the spring (16, 17,{14}).
With spring pin (6x25) (20,{13}) removed, take off
control shaft (8,{7}) and cam (A).
Remove bush (9,{8}).
With stop plug (19,{18}) removed from the bottom
of pump body (1), take off the piston (4) from the
pump body (1).
In case of MVH-R60, piston spring (14) and
cylinder (3) can also be removed from accumulator
case (15).
(It is recommended to clean all the parts with
paraffin in use.)
Clean the valve carefully which is contained inside
the piston (4).
Clean the breather (21) thoroughly.
Clean the casing internals, being careful not to
allow any dust to enter.
Removing the hand pump:
Disassembling the hand pump:
Clean the parts carefully:
5-4
HAND PUMP SYSTEM
Disassembling/reassembling the hand pump:
19
9
13
30
31
8
22
23
1211
12
20
4
26
1
32
19
9
30
31
33
34
21
29
2
24
14
27
3
17
18
16
30
15
28
A
MVH-R60
HAND PUMP ASS’Y
27
8
26
7
25
4
28
2
21
22
31
20
13
A
11
10
11
12
9
16
17
26
8
27
29
18
14
19
30
MVH-100(120), 150
HAND PUMP ASS’Y
