ITEM

 

STANDARD

I

CORRECTION

1

USE

I

CORRECTIOP

 

I

 

,

 

 

 

 

LIMITTOLERANCE

 

 

 

 

REMARKS

METHOD

 

Clearance between valve

Intake

 

 

0.063 L -0.093 L

 

0.3

 

0.3

 

 

 

 

 

 

 

 

 

 

-

stem dia. and valve guide

 

 

 

0.083L-0.113L

 

 

 

 

Exhaust

 

 

 

 

 

 

 

 

 

 

 

I

 

l

 

l

 

5

Valveclearance bothintakeand

exhaust

0.07 - 0.1

 

 

 

 

 

 

(cool condition)

 

 

I

 

I

 

I

 

I

 

c

Stem O.D.

 

8 dia.

-0.01 3

-0.07

-0.07

 

 

-0.033

 

 

 

 

 

 

 

 

 

 

 

 

 

Guide I.D.

 

 

 

+0.015

 

N.08

 

M.08

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

guide

Tapet

 

 

 

0.013L0-.015.048L

 

0.15

 

 

 

 

 

Rocker shaft O.D.

 

 

 

-0.01 6

 

-0.08

 

-0.08

 

 

E

 

 

 

-0.034

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a .

 

 

12 dia.

 

*.Of 8

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

al

Rockerarmholedia.

 

 

 

 

+O.07

 

+O .07

 

 

Y

 

 

 

0

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

0.15

 

 

 

 

I

Rocker arm shaftclearance

I

 

I

0.016L-0.052L

I

I

0.15

I

I

 

Valve spirng free length

I

36.5

I

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

$

Frominjectionpump

 

76

 

?O .05

 

 

 

 

Adjust

 

a.

flunge surface t o cam base

 

 

 

 

 

 

 

 

 

 

.E-

0 '

4.l

timing iniection.-%Static

I Injectionstarting pressure

-0 -

N

Nozzle dia. x number of nozzle

23" before T D C

*lo

0.22dia. x 4 pcs.

TABLE of TIGHTENING TORQUE

I

I

I I

I

Description

Gear case cover

Blower housing fasteningbolt Cylinder head fastening bolt Connecting rod cap fastening bolt Flywheel fastening nut

Rearfasteningbearingbolt

Oil pumpfasteningcoverbolt

Nozzle bracket fastening nut

 

Tightening torque

 

 

200

-230kg-cm

 

 

200

-230kg-cm

 

I

330

-350kg-cm

I

250

-270kg-crn

I

2,000

-2,200 kg-cm

I

I

200

-230 kg-cm

I

I

80

- 100 kg-cm

I

 

90

- 100 kg-cm

 

- 44 -

Page 47
Image 47
Subaru Robin Power Products DY30, DY35, DY41 manual Description, 36.5

DY41, DY30, DY35 specifications

Subaru Robin Power Products have built a solid reputation in the realm of portable engines and generators, particularly with their DY35, DY30, and DY41 models. These engines are extensively used for various applications, ranging from construction to agricultural equipment, owing to their reliability and efficiency.

The Subaru DY35 engine exemplifies performance with a displacement of 35cc. Its lightweight design ensures easy portability, while its robust construction provides durability in demanding environments. Featuring a two-stroke cycle, the DY35 offers a high power-to-weight ratio, making it ideal for handheld equipment and compact machinery. Key characteristics include its advanced electronic ignition system that promotes easy starting and reliable operation. The DY35 also boasts superior fuel efficiency, which translates to lower operational costs over time.

Moving on to the DY30, this engine is designed with versatility in mind. It has a slightly smaller displacement of 30cc, making it a great choice for various power tools and smaller machinery. The DY30 is known for its excellent torque delivery, which allows users to tackle challenging tasks without the need for frequent refueling. One of its standout features is the automatic lubrication system that keeps the engine running smoothly while minimizing wear and tear. This feature significantly extends the engine’s life, making it a favorite among users looking for long-term performance.

The DY41 takes a step up in power with a displacement of 41cc, making it suitable for heavier-duty applications. Designed for larger equipment, the DY41 is renowned for its high torque and robust construction. It also includes an innovative cooling system that effectively dissipates heat, ensuring optimal engine performance in prolonged usage scenarios. The DY41 is equipped with advanced vibration-dampening technology, which enhances user comfort and reduces fatigue during operation.

Each of these Subaru Robin engines incorporates fuel-efficient technologies that reduce emissions and comply with environmental regulations. They are built to withstand the rigors of demanding work environments while providing reliable power. With their distinct features and durable designs, the DY35, DY30, and DY41 engines continue to be sought-after choices for professionals and hobbyists alike, underscoring Subaru's commitment to innovation and quality in power products.