-16-
• Specified grease (for hammer, hammer drill)
Fill or apply specified grease (for hammer, hammer drill) to the following points.
• Fill 65 g of specified grease in the Crank Case
[125] {135}
on the Connecting Rod
<50>
side.
• Apply specified grease to the inner and outer diameter portions of the Cylinder
<33>
, sliding portion of the
Striker
<34>
, and O-ring
<35>
of the Striker
<34>
.
• Apply specified grease to the inner diameter portion of the Connecting Rod
<50>
, outer diameter portion
of the Piston
<49>
, and O-ring
<47>
of the Piston
<49>
.
• Apply specified grease to the sliding portion of the Second Hammer
<29>
and O-ring
<28>
of the Second
Hammer
<29>
.
• Apply specified grease to the inner lips of Oil Seal
[124] {134}
, inner and outer diameter portions of the
Bevel Gear
<46>
, Metal Washer
<45>
, inner periphery of the Clutch
<41>
, inner lip of the Oil Seal
<17>
in
the Cylinder Case
<18>
, Damper
<31>
, Retainer Damper (B)
<22>
, and the inner and outer peripheral
polished surfaces of the Retainer Sleeve
<26>
.
Fill or apply Hitachi Motor Grease No. 29 to the following points.
• Fill a total of 30 g of grease in the Crank Case
[125] {135}
on the First Gear
[139] {149}
side and the Gear
Cover
[145] {155}
side.
• Apply a total of 5 g of grease to the 8 mm dia. holes of the Gear Holder
[133] {143}
and Spring (C)
[135]
{145}
.
• Apply grease to the Weight Pin
{112}
, weight pin inserting portion of the Base
{116}
, Washer
{110}
, sliding
surfaces of Leaf Spring (B)
{114}
and Weight Ass’y
{109}
and inner periphery of the 6 mm diameter hole
as shown in the figure on page 17.
• Apply grease to the pinion portion of the Rotor
<62>
, Bit Lock
<25>
, Bearing Washer (C)
[142]
{152}
,
Needle Pin D6 x 6
[134] {144}
and inner periphery of the Second Gear
[136] {146}
.
• Apply grease to Steel Ball D4.76
[115] {124}
and O-ring (S-18)
[116] {125}
in the lever shaft holder ass’y.
CAUTION: Both viscosity and consistency of the specified grease are optimized for the rotary
hammer Models DH 52ME and DH 52MEY in order to prolong the service life.
Therefore, applying ordinary grease intended for other models (e.g. Model
DH 40MEY) to the Models DH 52ME and DH 52MEY may dramatically shorten the
product’s service life.
Net weight
Code No.
500 g
980927
30 g
981840
Lubrication points and types of lubricant
30 g
500 g